Conrad IV of Germany (1228–1254) was King of Germany (King of the Romans) from 1237 to 1254.
Conrad IV or Konrad IV may also refer to:
, bishop of Regensburg (1204–1226) Conrad IV of Tann (died 1236), German Roman Catholic bishop Conrad IV of Swabia or Conradin (1252–1268) , archbishop of Salzburg (1291–1312) (died 1324), bishop of Cammin , bishop of Worms (1319–1329) , fought in the Reichskrieg (1311–1312) (died 1383), abbot of Fulda Conrad IV, Count of Rietberg (c. 1371–1428) Konrad IV the Elder (c. 1384–1447), Duke of Silesia Conrad IV (1408–1419), Count of Fürstenberg-Wolfach Conrad IV of Bussnang (died 1471), French Roman Catholic bishop