Derwin is an English name for boys. The meaning is `dear friend` The name Derwin is most commonly given to American boys. What do they use in other countries? Darwin (English) The name sounds like: Derrin, Darin, Derrian, Derren, Darrin, Derron, Darwon, Dorrin, Durwyn, Terrin Found on https://www.pregnology.com/names/boys/Derwin