Alexander is a male given name. From the male name Alexander derives the name Alex. The most prominent bearer of the name is Alexander the Great, who created one of the largest empires in ancient history.
The name Alexander is derived from the Greek "Ἀλέξανδρος" (Aléxandros), meaning "Defender of the people" or "Defending men" and also, "Protector of men", a compound of the verb ἀλέξειν aléxein, "to ward off, to avert, to defend" and the noun ἀνήρ anḗr, "man" (GEN ἀνδρός andrós). It is an example of the widespread motif of Greek names expressing "battle-prowess", in this case the ability to withstand or push back an enemy battle line.
The name was one of the titles ("epithets") given to the Greek goddess Hera and as such is usually taken to mean "one who comes to save warriors". In the Iliad, the character Paris is known also as Alexander. The name's popularity was spread throughout the Greek world by the military conquests of . Most later Alexanders in various countries were directly or indirectly named after him.