Collin is a ♂ male name.
Collin is an English short form of the Greek name Nicholas and an Alicized variant of the Scottish name Cailean or the Irish name Coilean.
Collin means “victory of the people” (from ancient Greek “níkē/νίκη” = victory + “laós/λαός” = people/soldiers) and “whelp”, “young dog” in Gaelic.