Kelvyn \k(e)-lv-yn, kel-vyn\ as a boy's name is a variant of Kelvin (English), and the meaning of Kelvyn is "friend of ships".

The baby name Kelvyn sounds like Kalvyn, Kelvon, Kelven and Kelvan. Other similar baby names are Kelwyn, Kelvys, Kervyn, Kevyn and Melvyn.