List of heads of state 1730

Great Britain and Ireland
- Head of State: King George II (1727–1760) (1727–1760 Elector of Braunschweig-Lüneburg)
- Head of Government: Prime Minister Robert Walpole (1721–1742)

Holy Roman Empire
- King and Emperor : Charles VI. (1711–1740) (1711–1740 King of Bohemia, 1706–1740 Duke of Milan, 1713–1735 King of Naples, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia, 1720– 1735 King of Sicily, 1711–1740 King of Hungary)
- Electoral College
  - Archbishopric of Cologne
    - Elector : Clemens August von Bayern (1723–1761) (1724–1761 Bishop of Hildesheim, 1719–1761 Bishop of Münster, 1728–1761 Bishop of Osnabrück, 1719–1761 Bishop of Paderborn, 1716–1719 Bishop of Regensburg, 1732–1761 Grand Master of the Teutonic Order)
  - Archbishopric Mainz
    - Elector : Franz Ludwig von Pfalz-Neuburg (1729–1732) (1716–1729 Archbishop of Trier, 1694–1732 Bishop of Worms, 1694–1732 Provost of Ellwangen, 1694–1732 Grand Master of the Teutonic Order)
  - Archbishopric Trier
    - Elector : Franz Georg von Schönborn (1729–1756) (1732–1756 Bishop of Worms, 1732–1756 Provost of Ellwangen)
  - Duchy of Bavaria
    - Elector : Karl I. Albrecht (1726–1745) (1742–1745 Emperor)
  - Kingdom of Bohemia
    - King : Charles II (1711–1740) (1711–1740 Emperor, 1706–1740 Duke of Milan, 1713–1735 King of Naples, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia , 1720–1735 King of Sicily, 1711–1740 King of Hungary)
  - Margraviate of Brandenburg
    - Elector : Friedrich Wilhelm I (1713–1740) (1713–1740 King in Prussia)
  - Duchy of Brunswick-Lueneburg
    - Elector : George II (1727–1760) (1727–1760 King of Great Britain and Ireland)
  - Palatine County near the Rhine
    - Elector : Charles III. Philipp (1716–1742) (1716–1742 Duke of Jülich and Berg)
  - Duchy of Saxony
    - Elector : Friedrich August I (1694–1733) (1697–1704, 1709–1733 King of Poland and Grand Duke of Lithuania)
- spiritual imperial princes
  - Hochstift Augsburg
    - Bishop : Alexander Sigismund of the Palatinate (1690–1737)
  - Bamberg Monastery
    - Bishop : Friedrich Karl von Schönborn-Buchheim (1729–1746) (1729–1746 Bishop of Würzburg)
  - Hochstift Basel
    - Bishop : Johann Konrad von Reinach-Hirtzbach (1705–1737)
  - Prince Provost Berchtesgaden
    - Provost : Julius Heinrich von Rehlingen-Radau (1723–1732)
  - Brixen monastery
    - Bishop : Kaspar Ignaz von Künigl (1702–1747)
  - Hochstift Chur (territory 1648 federal, bishop imperial class without immediate land)
    - Bishop : Joseph Benedikt von Rost (1728–1754)
  - Corvey Abbey
    - Abbot : Karl von Plittersdorf (1722–1737)
  - Balleien of the Teutonic Order
    - Grand Master : Franz Ludwig von der Pfalz (1694–1732) (1729–1732 Archbishop of Mainz, 1716–1729 Archbishop of Trier, 1694–1732 Bishop of Worms, 1694–1732 Provost of Ellwangen)
  - Eichstätt Monastery
    - Bishop : Franz Ludwig Schenk von Castell (1725–1736)
  - Prince Provost Ellwangen
    - Provost : Franz Ludwig von der Pfalz (1694–1732) (1729–1732 Archbishop of Mainz, 1716–1729 Archbishop of Trier, 1694–1732 Bishop of Worms, 1694–1732 Grand Master of the Teutonic Order)
  - Hochstift Freising
    - Bishop : Johann Theodor von Bayern (1727–1763) (1744–1763 Bishop of Lüttich, 1719–1763 Bishop of Regensburg)
  - Fulda Abbey
    - Abbot : Adolf von Dalberg (1726–1737)
  - Hildesheim Monastery
    - Bishop : Clemens August von Bayern (1724–1761) (1723–1761 Archbishop of Cologne, 1732–1761 Grand Master of the Teutonic Order, 1719–1761 Bishop of Münster, 1728–1761 Bishop of Osnabrück, 1719–1761 Bishop of Paderborn, 1716– 1719 Bishop of Regensburg)
  - Prince Abbey of Kempten
    - Abbot : Anselm Reichlin von Meldegg (1728–1747)
  - Constance monastery
    - Bishop : Johann Franz Schenk von Stauffenberg (1704–1740) (1737–1740 Bishop of Augsburg)
  - Hochstift Lübeck (1555–1803 Protestant administrators)
    - Bishop : Adolf Friedrich von Schleswig-Holstein-Gottorf (1727–1750) (1751–1771 King of Sweden)
  - Liège Monastery
    - Bishop : Georg Ludwig von Berghes (1724–1743)
  - Monastery of Münster
    - Bishop : Clemens August von Bayern (1719–1761) (1723–1761 Archbishop of Cologne, 1724–1761 Bishop of Hildesheim, 1728–1761 Bishop of Osnabrück, 1719–1761 Bishop of Paderborn, 1716–1719 Bishop of Regensburg, 1732–1761 Grand Master of the Teutonic Order)
  - Hochstift Osnabrück (1662–1802 alternating between Catholic and Lutheran bishops)
    - Bishop : Clemens August von Bayern (1728–1761) (1723–1761 Archbishop of Cologne, 1724–1761 Bishop of Hildesheim, 1719–1761 Bishop of Münster, 1719–1761 Bishop of Paderborn, 1716–1719 Bishop of Regensburg, 1732–1761 Grand Master of the Teutonic Order)
  - Paderborn Monastery
    - Bishop : Clemens August von Bayern (1719–1761) (1723–1761 Archbishop of Cologne, 1724–1761 Bishop of Hildesheim, 1719–1761 Bishop of Münster, 1728–1761 Bishop of Osnabrück, 1716–1719 Bishop of Regensburg, 1732–1761 Grand Master of the Teutonic Order)
  - Passau bishopric
    - Bishop : Joseph Dominikus von Lamberg (1723–1761)
  - Regensburg Monastery
    - Bishop : Johann Theodor von Bayern (1719–1763) (1727–1763 Bishop of Freising, 1744–1763 Bishop of Liège)
  - Archbishopric Salzburg
    - Archbishop : Leopold Anton von Firmian (1727–1744)
  - Speyer Monastery
    - Bishop : Damian Hugo Philipp von Schönborn-Buchheim (1719–1743)
  - Stablo-Malmedy Abbey
    - Abbot : Johann Ernst von Löwenstein-Wertheim-Rochefort (1715–1731)
  - Strasbourg Monastery
    - Bishop : Armand I. Gaston Maximilien de Rohan-Soubise (1704–1749)
  - Hochstift Trento
    - Bishop : Anton Dominikus von Wolkenstein-Trostburg (1726–1730)
    - Bishop: Dominikus Anton von Thun (1730–1758)
  - Hochstift Worms
    - Bishop : Franz Ludwig von der Pfalz (1694–1732) (1729–1732 Archbishop of Mainz, 1716–1729 Archbishop of Trier, 1694–1732 Provost of Ellwangen, 1694–1732 Grand Master of the Teutonic Order)
  - Würzburg Monastery
    - Bishop : Friedrich Karl von Schönborn-Buchheim (1729–1746) (1729–1746 Bishop of Bamberg)
- secular imperial princes
  - Principality of Anhalt
    - Anhalt-Bernburg
      - Prince : Viktor II. Friedrich (1721–1765)
    - Principality of Anhalt-Dessau
      - Prince : Leopold I (1693–1747) (1693–1698 under guardianship)
    - Principality of Anhalt-Köthen
      - Prince : August Ludwig (1728–1755)
    - Anhalt-Zerbst
      - Prince : Johann August (1718–1742)
  - Arenberg
    - Duke : Leopold Philipp (1691–1754)
  - Margraviate of Baden
    - Baden-Baden
      - Margrave : Ludwig Georg Simpert (1707–1761) (1707–1727 under guardianship)
    - Baden-Durlach
      - Margrave : Charles III. Wilhelm (1709–1738)
  - Brandenburg-Ansbach
    - Margrave : Karl Wilhelm Friedrich (1723–1757)
  - Brandenburg-Bayreuth
    - Margrave : Georg Friedrich Karl (1726–1735)
  - Braunschweig-Wolfenbüttel
    - Duke : August Wilhelm (1714–1731)
  - Hessen-Darmstadt
    - Landgrave : Ernst Ludwig (1678–1739)
  - Hessen-Kassel
    - Landgrave : Karl (1670–1730) (until 1675 under guardianship)
    - Landgrave: Frederick I (1730–1751) (1720–1751 King of Sweden)
      - Governor: Wilhelm von Hessen-Kassel (1730–1751) (1751–1760 Landgrave)
  - Hohenzollern-Hechingen
    - Prince : Friedrich Wilhelm (1671–1735)
  - Hohenzollern-Sigmaringen
    - Prince : Joseph Friedrich Ernst (1715–1769) (until 1720 under guardianship)
  - Jülich and Berg
    - Duke : Karl Philipp (1716–1742) (1716–1742 Elector of the Palatinate, 1716–1742 Duke of Palatinate-Neuburg)
  - Liechtenstein
    - Prince : Josef Johann Adam (1721–1732)
  - Lorraine
    - Duke : Franz III. Stephan (1729–1736) (1745–1765 Roman-German Emperor, 1736–1765 Grand Duke of Tuscany)
  - Duchy of Mecklenburg
    - Mecklenburg-Schwerin
      - Duke : Christian Ludwig II. (1728–1756)
    - Mecklenburg-Strelitz
      - Duke : Adolf Friedrich III. (1708–1752)
  - Nassau
    - Ottonian line
      - Nassau-Diez
        Prince : Wilhelm IV. (1711–1751) (1722–1729 governor of Drenthe, 1729–1751 governor of Friesland and Groningen, 1747–1751 governor of Holland, Overijssel, Utrecht and Zeeland, 1747–1751 governor of the Netherlands)
      - Nassau-Dillenburg
        Prince : Christian (1724–1739)
      - Nassau-Siegen (Catholic line)
        Prince : Wilhelm Hyacinth (1699–1743)
      - Nassau-Siegen (reformed line)
        Prince : Friedrich Wilhelm II. (1722–1734)
    - Walramic line
      - Nassau-Usingen
        
        Prince : Karl (1718–1775) (until 1733 under guardianship)
        
        Regent: Charlotte Amalie von Nassau-Dillenburg (1718–1733)
      - Nassau-Weilburg
        Prince : Karl August (1719–1753)
  - Austria
    - Archduke : Charles II (1711–1740) (1711–1740 Emperor, 1711–1740 King of Bohemia, 1706–1740 Duke of Milan, 1713–1735 King of Naples, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia , 1720–1735 King of Sicily, 1711–1740 King of Hungary)
  - Ostfriesland
    - Prince : Georg Albrecht (1708–1734)
  - Pfalz-Neuburg
    - Duke : Charles III. Philipp (1716–1742) (1716–1742 Elector Palatinate, 1716–1742 Duke of Jülich and Berg)
  - Pfalz-Sulzbach
    - Duke : Theodor Eustach (1708–1732)
  - Pfalz-Zweibrücken
    - Duke : Gustav Samuel Leopold (1718–1731)
  - Duchy of Saxony
    - Saxony-Eisenach
      - Duke : Wilhelm Heinrich (1729–1741)
    - Saxe-Gotha-Altenburg
      - Duke : Friedrich II. (1691–1732)
    - Saxony-Hildburghausen
      - Duke : Ernst Friedrich II. (1724–1745) (1724–1728 under guardianship)
    - Saxony-Meiningen
      - Duke : Karl Friedrich (1729–1743) (1729–1733 under guardianship)
      - Regent: Friedrich Wilhelm of Saxony-Meiningen (1724–1733) (1743–1746 Duke of Saxony-Meiningen)
      - Regent: Friedrich II of Gotha-Altenburg (1724–1732) (1691–1732 Duke of Gotha-Altenburg)
    - Saxony-Saalfeld
      - Duke : Christian Ernst (1729–1745)
      - Duke: Franz Josias (1729–1764)
    - Saxe-Weimar
      - Duke : Ernst August I (1707–1741) (1741–1748 Duke of Saxe-Weimar-Eisenach)
  - Schwarzburg-Rudolstadt
    - Prince : Friedrich Anton (1718–1744)
  - Schwarzburg-Sondershausen
    - Prince : Günther I. (1720–1740)
  - Waldeck
    - Prince : Karl August Friedrich (1728–1763)
  - Württemberg
    - Duke : Eberhard Ludwig (1677–1733) (1677–1693 under guardianship)
- other imperial estates (selection)
  - Hanau
    - Count : Johann Reinhard III. (1712–1736) (1685–1712 Count of Hanau-Lichtenberg)
  - lip
    - Lippe-Biesterfeld
      - Count : Rudolf Ferdinand (1678–1736)
    - Lippe-Detmold
      - Count : Simon Heinrich Adolf (1718–1734)
  - Ortenburg
    - Count : Karl III. (1725–1776) (1725–1739 under guardianship)
    - Regent: Maria Albertina of Nassau-Saarbrücken (1725–1739)
  - Reuss
    - Reuss older line
      - Reuss overburden
        Count : Heinrich XI. (1723–1768) (1768–1778 Count of Reuss-Greiz, 1778–1800 Prince of Reuss older line)
      - Reuss undergrowth
        Count : Heinrich XIII. (1675–1733)
    - Reuss younger line
      - Reuss-Ebersdorf
        Count : Heinrich XXIX. (1711–1747)
      - Reuss-Gera
        Count : Heinrich XVIII. (1686-1735)
      - Reuss-Lobenstein
        Count : Heinrich XV. (1710–1739)
      - Reuss-Schleiz
        Count : Heinrich I (1726–1744)
  - Schaumburg-Lippe
    - Count : Albrecht Wolfgang (1728–1748)

Italian states
- Genoa
  - Doge : Luca Grimaldi (1728-1730)
  - Doge: Francesco Maria Balbi (1730–1732)
- Guastalla
  - Duke : Giuseppe Gonzaga (1729–1746)
- Papal States
  - Pope : Benedict XIII. (1724–1730)
  - Pope: Clement XII. (1730-1740)
- Milan (1706–1800 to Austria)
  - Duke : Emperor Charles VI. (1706–1740) (1711–1740 Emperor, 1711–1740 King of Bohemia, 1713–1735 King of Naples, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia, 1720–1735 King of Sicily, 1711–1740 King of Hungary)
    - Governor : Wirich Philipp von und zu Daun (1725–1733) (1725 governor of the Austrian Netherlands, 1707–1708 and 1713–1719 viceroy of Naples)
- Massa and Carrara
  - Duke : Alderamo Cibo-Malaspina (1715–1731)
- Modena and Reggio
  - Duke : Rinaldo d'Este (1694–1737)
- Naples (1713 / 14–1735 to Austria)
  - King : Emperor Karl VI. (1713–1735) (1711–1740 Emperor, 1711–1740 King of Bohemia, 1706–1740 Duke of Milan, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia, 1720–1735 King of Sicily, 1711–1740 King of Hungary)
    - Viceroy : Aloys Thomas Raimund Graf Harrach (1728–1733)
- Parma and Piacenza
  - Duke : Antonio Farnese (1727-1731)
- Piombino
  - Princess : Ippolita Ludovisi (1701–1743)
- San Marino
  - Capitani Reggenti : Gian Giacomo Angeli ( 1705, 1709, 1712–1713, 1716, 1719–1720, 1725 , 1729–1730, 1736, 1739–1740 ) and Giovanni Andrea Beni (1729–1730)
  - Capitani Reggenti: Valerio Maccioni ( 1722–1723, 1726–1727 , 1730, 1732–1733, 1737 ) and Pier Antonio Ugolini ( 1722–1723, 1726–1727 , 1730, 1735–1736, 1741–1742, 1750 )
  - Capitani Reggenti: Tranquillo Manenti Belluzzi ( 1718–1719, 1726 , 1730–1731, 1735 ) and Girolamo Martelli ( 1711, 1717, 1721, 1726 , 1730–1731, 1736 )
- Sardinia (since 1720 part of Savoy)
  - King : Viktor Amadeus II. (1720–1730) (1675–1720 and 1730–1732 Duke of Savoy, 1713–1720 King of Sicily)
  - King: Karl Emanuel III. (1730–1773) (1720–1730 and 1732–1773 Duke of Savoy)
    - Viceroy : Tommaso Ercole Roero (1727–1731)
- Savoy
  - Duke : Charles Emanuel III. (1720–1730, 1732–1773 ) (1730–1773 King of Sardinia)
  - Duke: Viktor Amadeus II. (1730–1732) (1720–1730 King of Sardinia, 1713–1720 King of Sicily)
- Sicily (1720–1735 to Austria)
  - King : Emperor Karl IV. (1720–1735) (1711–1740 Emperor, 1711–1740 King of Bohemia, 1706–1740 Duke of Milan, 1713–1735 King of Naples, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia, 1711–1740 King of Hungary)
    - Viceroy : Cristoforo Fernandez de Cordoba (1728–1734)
- Tuscany
  - Grand Duke : Gian Gastone de 'Medici (1723–1737)
- Venice
  - Doge : Alvise Mocenigo III. (1722-1732)

Khanate of Crimea
- Khan : Meñli II. Giray (1724-1730, 1737-1740 )
- Khan: Qaplan I. Giray ( 1707–1708, 1713–1715 , 1730–1736)

Courland
- Regent : Anna (1711–1730) (1730–1740 Empress of Russia)
- Duke: Ferdinand Kettler (1730–1737)

Malta
- Grand Master : Antonio Manoel de Vilhena (1722–1736)

Moldova (under Ottoman rule)
- Prince : Grigore II. Ghica (1726–1733, 1735–1739, 1739–1741, 1747–1748 ) (1733–1735, 1748–1752 Prince of Wallachia)

Monaco
- Prince : Antoine I. (1701–1731)

Netherlands
- Republic of the Seven United Provinces
  - Drenthe and Gelderland
    - Governor : William IV of Orange (1711–1747) (1711–1747 governor of Friesland, 1718–1747 governor of Groningen, 1747 governor of Holland, Zealand, Utrecht and Overijssel, 1747–1751 heir to the Netherlands)
    - Regent: Marie Luise von Hessen-Kassel (1711–1731)
  - Friesland
    - Governor : William IV of Orange (1711–1747) (1722–1747 governor of Drenthe and Geldern, 1718–1747 governor of Groningen, 1747 governor of Holland, Zealand, Utrecht and Overijssel, 1747–1751 heir to the Netherlands)
    - Regent: Marie Luise von Hessen-Kassel (1711–1731)
  - Groningen
    - Governor : William IV of Orange (1718–1747) (1722–1747 governor of Drenthe and Geldern, 1711–1747 governor of Friesland, 1747 governor of Holland, Zealand, Utrecht and Overijssel, 1747–1751 heir to the Netherlands)
    - Regent: Marie Luise von Hessen-Kassel (1718–1731)
  - Holland and Zeeland
    - Governor : vacant (1702–1747)
  - Overijssel
    - Governor : vacant (1702–1747)
  - Utrecht
    - Governor : vacant (1702–1747)
- Austrian Netherlands (formally part of the Holy Roman Empire until 1714/95)
  - Lieuteness : Maria Elisabeth of Austria (1724–1741)

Ottoman Empire
- Sultan : Ahmed III. (1703-1730)
- Sultan: Mahmud I (1730–1754)

Poland
- King : August II. ( 1697–1704 , 1709–1733) (1694–1733 Elector of Saxony)

Portugal
- King : John V (1706–1750)

Prussia
- King : Friedrich Wilhelm I (1713–1740) (1713–1740 Elector of Brandenburg)

Russia
- Emperor : Peter II (1727-1730)
- Empress: Anna (1730–1740) (1711–1730 regent of Courland)

Sweden
- King : Friedrich (1720–1751) (1730–1751 Landgrave of Hesse-Kassel)

Spain
- King : Philip V ( 1700–1724 , 1724–1746) (1700–1706 Duke of Milan, 1700–1713 King of Naples, 1700–1713 King of Sardinia, 1700–1713 King of Sicily)

Hungary
- King : Charles III. (1711–1740) (1711–1740 Emperor, 1711–1740 King of Bohemia, 1706–1740 Duke of Milan, 1713–1735 King of Naples, 1711–1740 Archduke of Austria, 1735–1740 Duke of Parma, 1713–1720 King of Sardinia, 1720–1735 King of Sicily)

Wallachia (under Ottoman rule)
- Prince : Nicolae Mavrocordat ( 1716 , 1719–1730) (1709–1710, 1711–1716 Prince of Moldova)
- Prince: Constantin Mavrocordat (1730, 1731–1733, 1735–1741, 1744–1748, 1756–1758, 1761–1763 ) (1733–1735, 1741–1743, 1748–1749, 1769 Prince of Moldavia)
- Prince: Mihai Racoviță (1730–1731, 1741–1744 ) (1707–1709, 1716–1726 Prince of Moldova)