Irena \i-re-na\ as a girl's name is a variant of Irene (Greek), and the meaning of Irena is "peace". See also Rena.

The baby name Irena sounds like Arena, Iryna, Irina, Irenea, Iren, Erena and Urena. Other similar baby names are Drena, Ilena, Irenka and Trena.