Louis Hogan DSM (1921 – 21 June 2001), was an Irish Lieutenant-General who served as Chief of Staff of the Defence Forces from June 1981 to April 1984.
| Louis Hogan | |
| Birth Date: | .1921 |
| Death Date: | 21 June 2001 |
| Allegiance: | Chief of Staff of the Defence Forces (Ireland) |
| Serviceyears: | 6 |
| Rank: | Lieutenant-General, Brigadier-General, Lieutenant Colonel |
| Servicenumber: | 1980-1984 1973-1976 |
At the date of his appointment he was the GOC Western Command which post he held as Brigadier-General from March 1980 to June 1981. Hogan was the first officer commanding of the 27 Infantry Battalion as a Lieutenant Colonel from 1973–1976. He died on 21 June 2001 at the age of 80.