Friedrich I.
Friedrich I. is the name of the following people:
- Friedrich I. (HRR) , Barbarossa , Kaiser (1122–1190)
- Frederick I (Naples) , King (1496–1501)
- Frederick I (Denmark and Norway) , King (1523–1533)
- Friedrich I (Prussia) , King (1701–1713)
- Friedrich (Sweden) , King (1720–1751)
- Friedrich I (Württemberg, King) , King (1754–1816)
- Friedrich I (Baden, Grand Duke) , Grand Duke (1856–1907)
- Friedrich I (Swabia) , Duke (1079–1105)
- Friedrich I (Austria) , Duke (1195–1198)
- Friedrich of Baden-Austria , Margrave of Verona and Baden (1250–1268)
- Friedrich I (Lorraine) , Duke (1205–1206)
- Friedrich I (Baden and Verona) (* around 1167; † 1217/1218), Margrave of Verona and Baden
- Frederick I (Athens) , Duke of Athens and Neopatria (1348–1355)
- Friedrich I (Braunschweig-Wolfenbüttel) , Duke (1373–1400)
- Friedrich I (Saxony) the Arguable , Duke (1423–1428)
- Friedrich I (Liegnitz) , Duke (1455–1488)
- Friedrich I. (Württemberg, Duke) (1593–1608)
- Friedrich I (Saxe-Gotha-Altenburg) , Duke (1648–1680)
- Friedrich I. (Anhalt) , Duke (1871–1904)
- Friedrich I. (Bar) , Count of Bar and Duke of Upper Lorraine (959–978)
- Friedrich I (Count Palatine of Saxony) (1038-1042)
- Friedrich I. (Zollern) , Count (1061 – before 1125)
- Friedrich I. (Vianden) , Count of Vianden (–1150)
- Friedrich I (Nuremberg) , burgrave (1191–1200)
- Friedrich I. (Fürstenberg) (* before 1250; † 1296), Count of Fürstenberg
- Friedrich I. (Rietberg) , Count of Rietberg (1264–1282)
- Friedrich I (Meißen) , the Undisguised , Margrave (1291–1324)
- Friedrich I. (Cilli) , Count of Cilli (1341–1359)
- Frederick I of Vaudémont , Count of Vaudémont (1392–1415)
- Friedrich I (Brandenburg) , Margrave and Elector (1415–1440)
- Friedrich I (Palatinate) , the Victorious , Count Palatine and Elector (1449–1476)
- Friedrich I (Pfalz-Simmern) , Duke (1459–1480)
- Friedrich I (Weimar-Orlamünde) , Count (1340–1365)
- Friedrich I (Hessen-Homburg) , Landgrave (1622–1638)
- Friedrich I. von Brehna , Count
- Friedrich I. zu Castell , Count
- Friedrich I of Leiningen-Westerburg-Altleiningen , Count (1761–1839)
- Friedrich I (Hessen-Kassel) is: Friedrich (Sweden) , King (1720–1751)
- Friedrich I (Bohemia) is: Friedrich V (Palatinate)
Church rulers:
- Friedrich I of Schwarzenburg , Archbishop of Cologne (1100–1131)
- Friedrich I (Magdeburg) , Archbishop and Regent of Magdeburg (1142–1152)
- Friedrich I of Utrecht , Prince-Bishop (820–829)
- Friedrich I (Salzburg) , Prince Archbishop (958–991)
- Friedrich I (Münster) , Prince-Bishop (1064-1084)
- Friedrich I. von Hagen (* around 1158; † 1239), 1182–1228 canon and provost in Hildesheim and Verden, and 1238–1239 bishop in the diocese of Schwerin
- Friedrich I of Lebus , bishop (1305-1311)
- Frederick I (Prague) , Bishop of Prague
- Friedrich I (Berchtesgaden) , Augustinian canon and provost of the Berchtesgaden monastery
- Friedrich I of Torgau († 1283), Bishop of Merseburg
