Meaning A boy's name of Polish origin, it means "defender of mankind." Origin of Aleksander Polish , Slavic Popular Middle Names Ajet, Edward, Francis, Joseph, Nicolas, Stephen, Thomas Pronunciation 🔊 Listen Aleksander AELahKSAENDer Similar Names Aleksy Oleés Oles Aleksandar Aleksei Aleksey Ales Alexandr Alecksander Alexej Year by Year Popularity of Aleksander