Donat may refer to
People:
- Camille Donat, French professional triathlete
- Donat, Bishop of Dublin
- Zdzisława Donat, Polish opera singer
- Robert Donat, English actor
- Peter Donat, Canadian actor and nephew of Robert Donat
- Jan Piwnik, (nom de guerre Ponury ("Gloomy"), Donat), a Polish World War II soldier
- Donat Savoie, a Canadian anthropologist
Other uses:
- Donat, Switzerland, a municipality
- Donat of the Order of St John, contributor to its funds