Kelltin \k(e)-ll-tin\ as a boy's name is a variant of Kelton (Old English), and the meaning of Kelltin is "town of the keels".

The baby name Kelltin sounds like Keltin and Kellton. Other similar baby names are Kellin, Bellton, Feltin, Kellen, Keallin, Kellan, Kelten, Kelvin, Kelwin, Kellven, Kentin and Koltin.