Allin \a(l)-lin\ as a boy's name is a variant of Alan (Old German), and the meaning of Allin is "precious".

The baby name Allin sounds like Alain, Allain, Allyn, Allon, Allen, Allan, Alin, Ailin, Alwin, Aluin and Aloin. Other similar baby names are Allie, Alvin, Albin, Alpin, Aldin, Arlin and Adlin.