Kalin is a surname. Notable people with the surname include:
Tom Kalin (born 1962), award-winning screenwriter, film director and producer.
Boris Kalin (1905–1975), Slovene sculptor
Andrea Kalin, documentary director, producer and the founder and executive producer of Spark Media
Frank Kalin (1917–1975), Major League Baseball outfielder
Jeremy Kalin (born 1975), Minnesota politician and a member of the Minnesota House of Representatives
Yngve Kalin (born 1950), Swedish priest and one of the leaders of the traditionalist movement in the Church of Sweden
