Caspar Crowninshield | |
|---|---|
 | |
| Born | October 23, 1837 Boston, Massachusetts |
| Died | January 10, 1897 (age 59) Boston, Massachusetts |
| Buried | |
| Allegiance |  United States of AmericaUnion |
| Service | United States Army Union Army |
| Years of service | 1861 – 1865 |
| Rank |  Colonel Brevet Brigadier General |
| Unit | 20th Massachusetts Infantry Regiment |
| Commands |
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| Battles / wars | American Civil War |
Caspar Crowninshield (October 23, 1837 – January 10, 1897) was a volunteer officer in the Union Army during the American Civil War.