Henry Larcom Abbot
| Henry Larcom Abbot | |
|---|---|
| Henry Larcom Abbot | |
| Born | August 13, 1831 Beverly, Massachusetts, U.S. | 
| Died | October 1, 1927 (aged 96) Cambridge, Massachusetts, U.S. | 
| Buried | Mount Auburn Cemetery, Cambridge, Massachusetts | 
| Allegiance | United States | 
| Branch | United States Army Union Army | 
| Years of service | 1854–1895 | 
| Rank | Brigadier General | 
| Commands | 1st Connecticut Heavy Artillery | 
| Battles / wars | |
| Spouse(s) | Mary Susan Everett Abbot | 
| Relations | Frederic Vaughan Abbot (son) Edwin Hale Abbot (brother) Joseph Hale Abbot (father) Fanny Ellingwood Larcom (mother) | 
Henry Larcom Abbot (August 13, 1831 – October 1, 1927) was a military engineer and career officer in the United States Army. He served in the Union Army during the American Civil War and was appointed brevet brigadier general of volunteers for his contributions in engineering and artillery. In 1866 he received additional brevet appointments as major general of volunteers and brigadier general in the Regular Army. He conducted several scientific studies of the Mississippi River with captain, later Major General Andrew A. Humphreys. After his retirement, Abbot served as a consultant for the locks on the Panama Canal. He was elected a Fellow of the American Academy of Arts and Sciences in 1863.