| Office: | Senator |
| Term Start: | 9 December 1931 |
| Term End: | 19 May 1936 |
| Office1: | Teachta Dála |
| Term Start1: | June 1927 |
| Term End1: | September 1927 |
| Constituency1: | Longford–Westmeath |
| Party: | Farmers' Party |
| Death Date: | 7 June 1940 |
Hugh Garahan (died 7 June 1940) was an Irish politician. A farmer, he was an unsuccessful candidate at the 1923 general election. He was first elected to Dáil Éireann at the June 1927 general election as a Farmers' Party Teachta Dála (TD) for the Longford–Westmeath constituency.[1] He lost his seat at the September 1927 general election.[2]
In 1931 he was elected to the Free State Seanad and was re-elected to the Seanad in 1934, where he was a member of Cumann na nGaedheal and later Fine Gael.[1]