| Raffaele de Cosa | |
| Birth Date: | 24 May 1778 |
| Death Date: | 29 February 1856 (aged 77) |
| Birth Place: | Naples, Kingdom of Naples |
| Death Place: | Naples, Kingdom of the Two Sicilies |
| Allegiance: | Napoleonic Naples Kingdom of the Two Sicilies |
| Branch: | Neapolitan Navy Real Marina |
| Branch Label: | Service |
| Rank: | Admiral |
| Battles: | |
Raffaele de Cosa (1778–1856) was an Italian admiral. He served the Napoleonic Kingdom of Naples, and after the overthrow of Napoleon he served in the Royal Navy of the Kingdom of the Two Sicilies, rising to the rank of admiral.[1]