Jaillen \ja(il)-len\ as a boy's name is a variant of Jalen. See for origin and meaning of Jaillen.

The baby name Jaillen sounds like Jaillin, Jaylen, Gillen, Jayelen, Jailon and Jailin. Other similar baby names are Gaillen, Dallen, Dillen, Hallen, Jaiden, Jaisen, Mallen, Millen, Quillen, Tallen and Vallen.