Aeryn \ae(r)-yn\ as a boy's name is a variant of Aaron (Hebrew), and the meaning of Aeryn is "mountain of strength".

The baby name Aeryn sounds like Airyn, Aeron and Aaryn. Other similar baby names are Teryn, Ayron, Ayren, Auron, Arun, Arron, Arran, Aron, Arin, Aren, Aran, Airen, Ahron, Ahren, Ahran, Aarin, Aaren, Aaran, Aeson, Hern, Herin, Aedan, Arn, Arrin, Arren, Arwyn, Bern, Berwyn, Bryn, Daryn, Derwyn, Efryn, Aeric, Geron, Jeren, Jeran, Jaryn, Jeron, Kern, Kerwyn, Leron, Loryn, Merwyn, Tern, Terryn, Teron, Teran and Vern.