Alatini is both a surname and a given name. Notable people with the name include:
Surname:
- Megan Alatini (born 1976), South African-born New Zealand singer, actress and television personality
- Pita Alatini (born 1976), Tongan-born New Zealand rugby union player
Given name:
- Alatini Saulala (born 1967), Tongan rugby union player and coach