Rain \rain\ as a boy's name (also used as girl's name Rain), is a variant of Raines (English). See for meaning of Rain.

The baby name Rain sounds like Raine, Ron, Rien, Rayne, Rane, Ren, Ronn, Roan, Ryan, Ryun, Ryon, Ryen, Rion and Rian. Other similar baby names are Bain, Cain, Kain, Dain, Fain, Iain, Pain, Rai, Rains, Wain and Zain.