Cuilén was an early King of Alba (Scotland). He was a son of Illulb mac Custantín (Indulf), King of Alba, after whom he is known by the patronymic mac Illuilb of Clann Áeda meic Cináeda, a branch of the Alpínid dynasty.
- Occupation
- politician
- Position held
- Monarch of Scotland
- Citizenship
- Scotland
- Died
- 971