Frayn \f-ra-yn\ as a boy's name is a variant of Frayne (Middle English), and the meaning of Frayn is "foreign".

The baby name Frayn sounds like Frann and Fran. Other similar baby names are Crayn, Aran, Arwyn, Brann, Bran, Brain, Bryn, Crayne, Crain, Eran, Erwyn, Fain, Flann, Flyn, Franz, Frans, Frank, Franc, Freyne, Freen, Frean, Fraine, Frey, Fry, Frye, Irwyn and Oran.