| Unfair Competition | |
| Director: | Ettore Scola |
| Producer: | Franco Committeri |
| Starring: | Diego Abatantuono Sergio Castellitto Gérard Depardieu |
| Music: | Armando Trovajoli |
| Cinematography: | Franco Di Giacomo |
| Editing: | Raimondo Crociani |
| Runtime: | 110 minutes |
| Country: | Italy |
| Language: | Italian |
Unfair Competition (it|Concorrenza sleale) is a 2001 Italian drama film directed by Ettore Scola. It was filmed in Cinecittà and some of its sets were used by Martin Scorsese in Gangs of New York, as Ettore Scola said in Néstor Birri's book.
Rome 1938, Umberto (Diego Abatantuono) and Leone (Sergio Castellitto) have got a men's costume shop, on the same street. Umberto is Catholic, Leone is Jewish. Racial Laws are approved in Italy in 1938 after Hitler's visit to Rome (see also Ettore Scola's A Special Day).