Philip of Swabia (February/March 1177 – 21 June 1208), styled Philip II [a] in his charters, was a member of the House of Hohenstaufen and King of Germany from 1198 until his assassination.

Philip became involved in the Fourth Crusade (1202–4; see Crusades) partly through his marriage to the Byzantine princess Irene, daughter of Emperor Isaac II. The extent of Philip's influence in diverting the crusade to Constantinople is still debated.

Philip of Swabia (1177 – June 21, 1208) was king of Germany and duke of Swabia, the rival of the emperor Otto IV. Philip was the fifth and youngest son of Emperor Frederick I and Beatrice I, Countess of Burgundy, daughter of Renaud III, count of Burgundy, and brother of the emperor Henry VI.

Philip of Swabia was King of Germany for a decade into the early 13th Century, at a time when another powerful noble also claimed the title. Philip was born in February or March 1177 in Pavia, Italy. His father was the famous Frederick Barbarossa , and his mother was Beatrice of Burgundy.

Philip of Swabia swāˈbēə [key], 1176?–1208, German king (1198–1208), son of Holy Roman Emperor Frederick I. After the death (1197) of his brother, German King and Holy Roman Emperor Henry VI, he unsuccessfully attempted to secure the succession