Prates is an Austrian surname. Notable people with the name include:
- César Prates (born 1975), Brazilian football defender
- Cláudio Mendes Prates (born 1965), Brazilian football forward
- Jair Gonçalves Prates (born 1953), Brazilian football striker
- Jean Paul Prates (born 1968), Brazilian politician
- Luiz Carlos Prates (born 1943), Brazilian journalist, psychologist, and radio sport announcer