Gunthar \g(u)-nthar, gun-thar\ as a boy's name is a variant of Gunther (German), and the meaning of Gunthar is "battler, warrior".

The baby name Gunthar sounds like Guntar, Guntur, Gunter and Guenther. Other similar baby names are Gunnar, Guntero, Gunner, Guenter and Guthry.