Zaifeng (12 February 1883 – 3 February 1951), titled Prince Chun (Prince Ch'un in Wade–Giles) or more formally Prince Chun of the First Rank (醇親王), was the last Qing Dynasty (aka Manchu Dynasty) ruler of China, as Prince-Regent during the reign of his son the emperor Puyi, 1908–1912. Zaifeng was a younger half-brother of Puyi's predecessor, the Guangxu Emperor.