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 sculptorAndrea Kalin, documentary director, producer and the founder and executive producer of Spark MediaFrank Kalin (1917–1975), Major League Baseball outfielderJeremy Kalin (born 1975), Minnesota politician and a member of the Minnesota House of RepresentativesYngve Kalin (born 1950), Swedish priest and one of the leaders of the traditionalist movement in the Church of Sweden