| Age | 78 (age at death) |
| Birthday | 28 May, 1874 |
| Birthplace | Ettiswil, Switzerland |
| Died | 27 March, 1953 |
| Place of Death | St. Gallen, Switzerland |
| Zodiac Sign | Gemini |
| Nationality | Swiss |
| Occupation | Sport Shooter |
Caspar Widmer (28 May 1874 – 27 March 1953) was a Swiss sports shooter. He competed at the 1906 Intercalated Games and the 1920 Summer Olympics.
