Erinna \e-rinna, er(in)-na\ as a girl's name is a variant of Erin (Gaelic), and the meaning of Erinna is "Ireland".

The baby name Erinna sounds like Erinne, Erinn and Erina. Other similar baby names are Brinna, Egina, Arianna, Ariana, Arionna, Erminia, Brina, Brenna, Brynna, Brianna, Brinn, Brienna, Briana, Brionna, Briona, Carinna, Trina, Corinna, Drina, Erlinia, Erlina, Edina, Elanna, Elina, Eliana, Elianna, Emina, Erica, Erikka, Erika, Ericka, Erynn, Erienne, Eirinn, Arinne, Ermina, Erminne, Erna, Erwina, Evina, Evanna, Evonna, Elonna, Orina, Irina, Iriana, Erena, Arina, Ervina, Karinna, Korinna, Marinna, Oriana, Orianna, Sarinna, Serinna and Urina.