Alexander is a male given name of Greek origin meaning "defender of men" or "protector of mankind".
The name is derived from the Greek name Alexandros, composed of the elements "alexein" (to defend) and "aner" (man).
Notable bearers include:
1. Alexander the Great - King of Macedon who created one of the largest empires in ancient history
2. Alexander Graham Bell - Inventor of the telephone
3. Alexander Hamilton - Founding Father of the United States