Fethi is the Turkish spelling of the Arabic
name Fathi (Arabic: فَتْحِي fat·ḥiy/ fat·ḥī/ fat·ḥy) which means "victorious, triumphant". Notable people with the name include:
- Fethi Benslama (born 1961), Paris-based Tunisian psychoanalyst
- Fethi Boucetta (born 1963), Algerian Guantanamo detainee
- Fethi Haddaoui (born 1961), Tunisian actor
- Fethi Heper (born 1944), retired Turkish footballer
- Ali Fethi Okyar (1880–1943), Turkish diplomat
- Fethi Sekin (1973–2017), Turkish police office killed on duty