| John O'Hanlon | |
| Office: | Teachta Dála |
| Term Start: | June 1927 |
| Term End: | January 1933 |
| Constituency: | Cavan |
| Party: | Independent |
| Birth Date: | 4 November 1872 |
| Birth Place: | County Cavan, Ireland |
| Death Place: | County Cavan, Ireland |
John Frederick O'Hanlon (4 November 1872 – 22 December 1956) was an Irish politician and journalist. He stood unsuccessfully as a Farmers' Party candidate at the Cavan by-election on 11 March 1925. He was first elected to Dáil Éireann as an independent Teachta Dála (TD) for the Cavan constituency at the June 1927 general election.[1] He was re-elected at the September 1927 and 1932 general elections. He contested the 1933 general election as a National Centre Party candidate but did not retain his seat.[2]