List of heads of state 1703

Italian states
- Genoa
  - Doge : Federico De Franchi (1701-1703)
  - Doge: Antonio Grimaldi (1703-1705)
- Guastalla
  - Duke : Vincenzo Gonzaga (1692-1714)
- Papal States
  - Pope : Clement XI. (1700–1721)
- Milan (1535–1706 to Spain)
  - Duke : Philip V of Spain (1700–1706) (1700–1713 King of Naples, 1700–1713 King of Sardinia, 1700–1713 King of Sicily, 1700–1724 and 1724–1746 King of Spain)
    - Governor : Charles Henri de Lorraine-Vaudémont (1698–1706)
- Mantua (1533–1708 personal union with Montferrat)
  - Duke : Ferdinando Carlo Gonzaga (1665–1708) (1678–1692 Duke of Guastalla)
- Massa and Carrara
  - Duke : Carlo II. Cibo-Malaspina (1690–1710)
- Mirandola
  - Duke : Francesco Maria Pico (1691–1708)
- Modena and Reggio
  - Duke : Rinaldo d'Este (1694–1737)
- Montferrat (1533–1708 personal union with Mantua)
  - Duke : Ferdinando Carlo Gonzaga (1665–1708) (1678–1692 Duke of Guastalla)
- Naples (1503–1707 / 14 to Aragon or Spain )
  - King : Philip IV (1700–1713) (1700–1713 King of Sardinia, 1700–1713 King of Sicily, 1700–1724 and 1724–1746 King of Spain)
    - Viceroy : Juan Manuel Fernández Pacheco (1702–1707) (1701–1702 King of Sicily)
- Parma and Piacenza
  - Duke : Francesco Farnese (1694–1727)
- Piombino (common rule)
  - Princess : Ippolita Ludovisi (1701–1743)
  - Prince: Gregorio II. Boncompagni (1701–1707)
- San Marino
  - Capitani Reggenti : Giovanni Antonio Belluzzi (1702–1703, 1709–1710, 1713 ) and Gaspare Calbini ( 1682, 1686, 1689–1690, 1694 , 1702–1703, 1706 )
  - Capitani Reggenti: Bernardino Leonardelli ( 1694–1695, 1699 , 1703, 1715–1716, 1721–1722 ) and Giovanni Antonio Fattori ( 1699–1700 , 1703, 1709–1710, 1713 )
  - Capitani Reggenti: Onofrio Onofri ( 1695, 1698–1699 , 1703–1704, 1707, 1712 ) and Baldassarre Tini ( 1691, 1700 , 1703–1704, 1708–1709, 1719 )
- Sardinia (1409–1713 to Aragon or Spain )
  - King : Philip IV (1700–1713) (1700–1713 King of Naples, 1700–1713 King of Sicily, 1700–1724 and 1724–1746 King of Spain)
    - Viceroy : Fernando de Moncada (1699–1703)
    - Viceroy: Francisco Ginés Ruiz de Castro (1703–1704)
- Savoy
  - Duke : Viktor Amadeus II. (1675–1720, 1730–1732 ) (1713–1720 King of Sicily, 1720–1730 King of Sardinia)
- Sicily (1412–1713 to Aragon or Spain )
  - King : Philip IV (1700–1713) (1700–1706 Duke of Milan, 1700–1713 King of Naples, 1700–1713 King of Sardinia, 1700–1713 King of Sicily, 1700–1724 and 1724–1746 King of Spain)
    - Viceroy : Francesco del Giudice (1702–1705)
- Tuscany
  - Grand Duke : Cosimo III. de 'Medici (1670-1723)
- Venice
  - Doge : Alvise Mocenigo II (1700–1709)

Khanate of Crimea
- Khan : Selim I. Giray (1702-1704)

Courland
- Duke : Friedrich Wilhelm Kettler (1698–1711)

Malta
- Grand Master : Ramon Perellos y Roccaful (1697–1720)

Moldova (under Ottoman rule)
- Prince : Constantin Duca ( 1693–1695 , 1700–1703)
- Chancellor: Ioan Buhuș (1703, 1709–1710 )
- Prince: Mihai Racoviță (1703–1705, 1707–1709, 1716–1726 ) (1730–1731, 1741–1744 Prince of Wallachia)

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

Netherlands
- Republic of the Seven United Provinces
  - Drenthe
    - Governor : vacant (1702–1722)
  - Friesland
    - Governor : Johann Wilhelm Friso von Nassau-Diez (1696–1711) (governor of Groningen 1696–1711, 1696–1711 Prince of Nassau-Dietz)
    - Regent: Henriette Amalie von Anhalt-Dessau (1696–1707)
  - Groningen
    - Governor : Johann Wilhelm Friso von Nassau-Diez (1696–1711) (governor of Friesland 1696–1711, 1696–1711 Prince of Nassau-Dietz)
    - Regent: Henriette Amalie von Anhalt-Dessau (1696–1707)
  - Holland and Zeeland
    - Governor : vacant (1702–1747)
  - Overijssel and Gelderland
    - Governor : vacant (1702–1722)
  - Utrecht
    - Governor : vacant (1702–1747)
- Spanish Netherlands (formally part of the Holy Roman Empire until 1714/95)
  - Governor : Maximilian II. Emanuel of Bavaria (1692–1706) (1679–1726 Elector of Bavaria)

Ottoman Empire
- Sultan : Mustafa II. (1695-1703)
- Ahmed III. (1703-1730)

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

Portugal
- King : Peter II (1683–1706) (1667–1683 Regent of Portugal)

Prussia
- King : Friedrich I (1688–1713) (until 1701 Duke of Prussia) (1688–1713 Elector of Brandenburg)

Russia
- Tsar : Peter I (1682–1725) (emperor from 1721)

Sweden
- King : Charles XII. (1697–1718) (1697–1718 Duke of Pfalz-Zweibrücken)

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 : Leopold I (1657–1705) (1658–1705 Emperor, 1657–1705 King of Bohemia, 1657–1705 Archduke of Austria)

Wallachia (under Ottoman rule)
- Prince : Constantin Brâncoveanu (1688–1714)