Justis \j(u)-stis, jus-tis\ as a boy's name is a variant of Justin (Latin) and Justus (Latin), and the meaning of Justis is "just, upright, righteous; upright, just".

The baby name Justis sounds like Eustis, Eustiss and Justice. Other similar baby names are Kostis, Gustus, Jestin, Justyn, Justo, Justinus, Justino, Justinas, Justen, Juste, Just, Justan and Justain.