| Léon Fatous | |
| Office: | Member of the French Senate for Pas-de-Calais |
| Term Start: | 1 October 1992 |
| Term End: | 1 October 2001 |
| Office2: | Mayor of Arras |
| Term Start2: | 1975 |
| Term End2: | 1995 |
| Predecessor2: | Guy Mollet |
| Successor2: | Jean-Marie Vanlerenberghe |
| Office3: | Member of the European Parliament |
| Term Start3: | 1984 |
| Term End3: | 1989 |
| Birth Date: | 11 February 1926 |
| Birth Place: | Dainville, Pas-de-Calais, France |
| Death Place: | Arras, France |
| Party: | Socialist Party |
Léon Fatous (11 February 1926 – 24 September 2023) was a French politician who served as a Member of the European Parliament and as a Senator. Fatous died on 24 September 2023, at the age of 97.[1]