Hamrin is a surname. Notable people with the surname include:
Felix Hamrin (1875–1937), Swedish Liberal politician, briefly Prime Minister in 1932 Jan Hamrin Kurt Hamrin (1934-2024), Swedish footballer Midde Hamrin (born 1957), Swedish long-distance runner Sven Hamrin (1941–2018), Swedish cyclist Ulf Hamrin (born 1946), Swedish writer