Girl name origins & meanings Greek : Defender of mankind; feminine form of Alexander Girl name variations Alexandra Alandra Aleka Alex Alexia Alexis Alexandria Alexandrina Alesandra Alessa Alessandra Allesandra Aleksey Alexine Alya Aliki Alejanda Lexy Lexie Sandra Zandra Sanie Sandy Family name origins & meanings Czech and Slovak : from a short form of the personal name Alexis or Alexander.