Gallven \g(a)-ll-ven\ as a boy's name is a variant of Galvin (Irish, Gaelic), and the meaning of Gallven is "sparrow; brillantly white".
The baby name Gallven sounds like Galven and Gallvin. Other similar baby names are Galen, Gaylen, Gaillen, Gallton, Galten, Galvon, Galvan, Garven, Gaven and Kellven.