Jonas \j(o)-nas\ as a boy's name is a variant of Jonah (Hebrew), and the meaning of Jonas is "dove". See also Yonas.

The baby name Jonas sounds like Jones, Janos, Janus and Jens. Other similar baby names are Jona, Fons, Janak, Janan, Jon, Jonte, Jontae, Jonny, Jonn, Jonasco, Joss, Joos, Josias, Judas, Pons and Zenas.