| Felix Brannigan | |
| Birth Date: | 1844 |
| Death Date: | June 10, 1907 |
| Placeofburial: | Arlington National Cemetery |
| Placeofburial Label: | Place of burial |
| Birth Place: | Ireland |
| Allegiance: |  United States of America |
| Branch: | Union Army |
| Rank: | First Lieutenant |
| Unit: | 74th Regiment New York Volunteer Infantry |
| Battles: | Battle of Chancellorsville |
| Awards: | Medal of Honor |
Felix Brannigan (1844 -– June 10, 1907) was an Ireland-born soldier who received the Medal of Honor for valor during the American Civil War.
Brannigan enlisted in the Army from Pittsburgh, Pennsylvania, in April 1861. He was assigned to the 74th New York Volunteer Infantry Regiment and was promoted to First Sergeant in June 1862, but was reduced in rank to Private in October. He transferred to the 40th New York Infantry in August 1864, and was later commissioned as an officer in the 103rd US Colored Infantry.[1] He received the Medal of Honor on June 29, 1866, for his actions at the Battle of Chancellorsville.
Citation:
Volunteered on a dangerous service and brought in valuable information.[2]