Alwyn \a-lw-yn\ as a boy's name is a variant of Alvin (Old English), and the meaning of Alwyn is "elf or magical being, friend".

The baby name Alwyn sounds like Alyn, Allyn, Elwyn, Alwynn, Alwin and Ailwyn. Other similar baby names are Albyn, Aldwyn, Alvyn, Arwyn and Aswyn.