| Unit Name: | 7th New Hampshire Infantry Regiment |
| Country: |  United States of America |
| Allegiance: | Union |
| Type: | Infantry |
| Branch: | United States Army Union Army |
| Dates: | December 13, 1861 – July 17, 1865 |
| Size: | 1,718 |
| Battles: | American Civil War |
| Notable Commanders: | Col. Haldimand S. Putnam Col. Joseph Carter Abbott |
The 7th New Hampshire Infantry Regiment was an infantry regiment of the Union Army during the American Civil War. It was raised in the state of New Hampshire, serving from December 13, 1861, to July 17, 1865. Because it was in the same brigade as the 7th Connecticut Infantry Regiment, both regiments together were often jointly called the 77th New England.
Lieut. Colonel J.C. Abbott
On December 13, 1861, the regiment was organized and mustered in at Manchester, New Hampshire.
On January 14, 1862, the 7th moved to New York City. Until February 13 at White Street Barracks. Orders for Dry Tortugas, Florida, on February 12. Attached to Brannan's Command, District of Florida until June 1862.
The unit arrived Fort Jefferson, Florida in March 1862, under the command of Col. Haldimand S. Putnam.[1]
From then, its assignments were:
The regiment lost during its term of service 15 officers and 169 enlisted men killed and mortally wounded, and 1 officer and 241 enlisted men by disease, for a total of 426 fatalities.