The name Alun is a Celtic baby name. In Celtic the meaning of the name Alun is: Harmony, stone, or noble. Also fair, handsome. Originally a saint's name, it was reintroduced to Britain during the Norman Conquest, remained popular throughout the Middle Ages, and was revived in the 19th century.
Alun is baby boy name mainly popular in Christian religion and its main origin is . Alun name meanings is Earl of Brittany, a follower of William the Conqueror. Other similar sounding names can be Alan.