Mac Dela is an Irish surname, and may refer to:
- Gann mac Dela, legendary joint High King of Ireland with his brother Genann
- Rudraige mac Dela, legendary second High King of Ireland
- Sengann mac Dela, legendary High King of Ireland
- Sláine mac Dela, legendary first High King of Ireland
| This page or section lists people with the surname Mac Dela. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. |