| Gerald Hugh Brabazon | |
| Smallimage: | Gerald Hugh Brabazon.jpg |
| Constituency Mp: | Pontiac |
| Parliament: | Canadian |
| Predecessor: | Thomas Murray |
| Successor: | George Frederick Hodgins |
| Term Start: | 1904 |
| Term End: | 1908 |
| Predecessor2: | George Frederick Hodgins |
| Successor2: | Frank S. Cahill |
| Term Start2: | 1911 |
| Term End2: | 1917 |
| Birth Date: | 1854 12, df=yes |
| Birth Place: | Montreal, Canada East |
| Party: | Conservative |
Gerald Hugh Brabazon (7 December 1854 - 27 December 1938) was a Canadian politician.
Born in Montreal, Canada East on 7 December 1854, the son of Samuel L. Brabazon and Margaret Clarke both from Ireland, Brabazon was a civil engineer. He was mayor of Portage-du-Fort, Quebec for 18 years and Warden of Pontiac County for 12 years. He served under Frederick Dobson Middleton in the North-West Rebellion in 1885, as a first lieutenant in Dennis's Scouts. He was an unsuccessful candidate for the House of Commons of Canada in Pontiac in the general elections of 1900 but was elected in 1904. A Conservative, he was defeated in 1908 and was elected in 1911.