Illya \i-ll-ya\ as a boy's name is a variant of Ilya (Russian). See for meaning of Illya.

The baby name Illya sounds like Ilia, Allie, Alley, Alia, Aly, Ely, Eloy, Elia, Eelia, Ilie, July, Olle, Ola, Ollie, Olley, Ull, Wally and Willy. Other similar baby names are Ilon, Ilan and Ilias.