Courtin is a surname. Notable people with the surname include: Charles Courtin (1902–?), French long jumper Christina Courtin (born 1984), American singer, violinist, and songwriter Cyrille Courtin (born 1971), former professional footballer Robina Courtin (born 1944), Buddhist nun in the Tibetan Buddhist Gelugpa tradition
See also as an abbreviation of "courting": Drinkin' and Courtin' Frog Went A-Courtin' (book)