Mirna \m(i)-rna, mir-na\ as a girl's name is a variant of Myrna (Irish, Gaelic), and the meaning of Mirna is "beloved".

The baby name Mirna sounds like Marna, Mirana, Morna, Murna, Muirna, Merna and Meirna. Other similar baby names are Minna, Mina, Mira, Mirla, Mirra, Mirka, Mirta and Virna.