Allexa \a(l)-lexa\ as a girl's name is a variant of Alexandra (Greek), and the meaning of Allexa is "man's defender".
The baby name Allexa sounds like Alexa, Alex, Allix, Allexina, Alexia, Alexi, Alexea and Olexa. Other similar baby names are Aleeza, Alieza, Allessa, Aleka, Alless, Alles, Allysa, Aleesa, Allisa and Allegra.