| Miguel Castaño | |
| Office: | Mayor of León, Spain |
| Term Start: | 1931 |
| Term End: | 1936 |
| Office2: | Member of Parliament |
| Term Start2: | 1931 |
| Term End2: | 1933 |
| Constituency2: | Province of León |
| Birth Date: | 23 February 1883 |
| Birth Place: | León, Spain |
| Death Place: | Puente Castro (León, Spain) |
| Nationality: | Spanish |
| Party: | Spanish Socialist Workers Party (PSOE) |
| Profession: | Journalist |
Miguel Castaño Quiñones (23 February 1883 in León, Spain - 21 November 1936) was a Spanish socialist politician, engineer and journalist, member of Parliament during the Second Spanish Republic and the first democratically elected Mayor of León, serving until his assassination in 1936 by Francoist rebels during the Spanish Civil War.