| First Name | Stefano |
| Last Name | Casiraghi |
| Age | 30 (age at death) |
| Date of Birth | September 8, 1960 |
| Birthplace | Milan |
| Date of Death | October 3, 1990 |
| Location of Death | Montecarlo, Monaco |
| Cause of Death | speed boat accident |
| Build | Athletic |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Star Sign | Virgo |
| Religion | Roman Catholic |
| Ethnicity | White |
| Nationality | Italian |
| Occupation Category | Business |
| Claim to Fame | Husband of Princess Caroline of Monaco |
| Father | Giancarlo Casiraghi |
| Mother | Fernanda |
| Brother(s) | Marco CasiraghiDanielle Casiraghi |
| Sister(s) | Rosalba Casiraghi |
| Friends | Marina Palma, Hélène Boitel, Antonio Varenna, Marco Balestri |
Stefano Casiraghi (8 September 1960 – 3 October 1990) was an Italian sportsman, heir, socialite and businessman. He was the son of Giancarlo Casiraghi and wife Fernanda Palici, and became the second husband of Princess Caroline of Monaco.