Ranatunga is a Sri Lankan surname, which may refer to:
- Arjuna Ranatunga, (born 1963), cricketer - batsman and captain
- General Cyril Ranatunga, Army officer
- Dammika Ranatunga, (born 1962), cricketer - batsman
- Nishantha Ranatunga, (born 1966), cricketer - all-rounder
- Prasanna Ranatunga, politician
- Reggie Ranatunga, Politician
- Ruwan Ranatunga, Politician
- Sanjeeva Ranatunga, (born 1969), cricketer - batsman
| This page or section lists people with the surname Ranatunga. 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. |