Justin
Justin meaning: Just.
Justin origin: Latin
Justin gender: Male

Justina
Justina meaning: Feminine form of Justin: Just, righteous.
Justina origin: Latin
Justina gender: Female

Justine
Justine meaning: Just.
Justine origin: Latin
Justine gender: Female

Justino
Justino meaning: Form of Justus. Just, upright, righteous.
Justino origin: Portuguese
Justino gender: Male