Delin is a surname of varied origin. Notable people with the surname include: Albert Delin (1712–1771), harpsichord maker in the Low Countries Chen Delin (1862–1930), Chinese opera actor and singer Diane Delin, American jazz musician and educator Judy Delin, British linguist Li Delin, ancient Chinese official Sun Delin (born 2001), American soccer player Wang Delin (1875–1938), Chinese National Salvation Army leader Zhang Delin (born 1939), Chinese politician