| Partof: | the Hispano-Moroccan War |
| Place: | Castillejos, Morocco |
| Date: | 1 January 1860 |
| Result: | Spanish victory |
| Combatant1: |  Spain |
| Combatant2: |  Morocco |
| Commander1: | Leopoldo O'Donnell Juan Prim |
| Strength1: | 10,000 |
| Strength2: | 20,000 |
| Casualties1: | 600 |
| Casualties2: | 2,000 |
| Conflict: | Battle of Castillejos |
| Commander2: | Mawlay Abbas |
The Battle of Castillejos was fought on New Year's Day, 1860, between the Spanish Army of Africa under Leopoldo O'Donnell and the Moroccan Army under Mawlay Abbas in Fnideq (Castillejos) as the Spanish army attempted to capture the cities of Tétouan and Tangier. The Spanish were victorious.