| John Hassett | |
| Office: | Teachta Dála |
| Term Start: | June 1927 |
| Term End: | January 1933 |
| Constituency: | Tipperary |
| Party: | Cumann na nGaedheal |
| Birth Place: | County Tipperary, Ireland |
| Death Date: | 24 November 1955 |
| Death Place: | County Tipperary, Ireland |
John Joseph Hassett (died 24 November 1955) was an Irish politician. A farmer, he was first elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Tipperary constituency at the June 1927 general election.[1] He was re-elected at the September 1927 and 1932 general elections.[2] He did not contest the 1933 general election.