Justinas \j(u)-sti-nas, jus-tinas\ as a boy's name is a variant of Justin (Latin), and the meaning of Justinas is "just, upright, righteous".

The baby name Justinas sounds like Justinus, Justino, Justinius and Justinian. Other similar baby names are Justis, Jestin, Justice, Justyn, Justus, Justen, Justan and Justain.