| Alonzo Whitney Adams | |
| Office: | Member of the California Senate from District 17 |
| Term Start: | 1851 |
| Term End: | 1852 |
| Predecessor: | John Bidwell |
| Successor: | Charles F. Lott, Joseph E.N. Lewis |
| Birth Date: | March 7, 1820 |
| Birth Place: | Caroline, New York |
| Death Date: | February 22, 1887 |
| Resting Place: | LaGrange, Ohio |
| Allegiance: | United States |
| Branch: | United States Army Union Army |
| Serviceyears: | 1848 1861 - 1865 |
| Battles: | Mexican–American War American Civil War |
| Rank: | Colonel Bvt. Brigadier General |
| Commands: | 1st New York Cavalry Regiment |
Alonzo Whitney Adams (March 7, 1820 – February 22, 1887) was an American lawyer, politician and military officer. Born in Caroline, New York, he served in the California legislature.[1]
During the Mexican–American War, Adams served as a captain in the U.S. Army.[2]
During the American Civil War Adams fought at the Battle of Antietam as major and commander of the 1st Regiment New York Volunteer Cavalry.[2] [3] He reached the rank of colonel as of July 27, 1864.[2] [3] Adams was mustered out of the volunteers on June 27, 1865.[2] On March 18, 1867, President Andrew Johnson nominated Adams for the rank of brevet brigadier general, to rank from March 13, 1865, and the United States Senate confirmed the nomination on March 28, 1867.
Alonzo W. Adams died February 22, 1887[2] and is buried at LaGrange, Ohio.