Alexa \a-lexa\ as a girl's name is a variant of Alexandra (Greek), Alexis (Greek) and Alix (Old German), and the meaning of Alexa is "man's defender; defender, protector; noble".

The baby name Alexa sounds like Alex, Allexa, Alexia, Alexi, Alexea and Olexa. Other similar baby names are Aleka, Aleeza, Aliza, Alieza, Alegra, Alessa, Lexa, Alexina, Alexie, Alexena, Aleki, Alyx, Alexys, Alexus, Alysa, Alisa, Alika, Alica, Aleesa and Alyza.