| Joseph Langtry | |
| Constituency Mp: | Riverina |
| Parliament: | Australian |
| Predecessor: | Horace Nock |
| Successor: | Hugh Roberton |
| Term Start: | 21 September 1940 |
| Term End: | 10 December 1949 |
| Birth Date: | 1880 9, df=yes |
| Birth Place: | Kyabram, Victoria |
| Death Place: | Griffith, New South Wales, Australia |
| Nationality: | Australian |
| Party: | Australian Labor Party |
| Occupation: | Wheat farmer, publican |
Joseph Ignatius Langtry (2 September 1880 - 30 April 1951) was an Australian politician. Born in Kyabram, Victoria, he received a primary education before becoming a teamster. He moved to Barellan in New South Wales and became a wheatfarmer and publican. In 1940, he was the Labor candidate for the Australian House of Representatives seat of Riverina; he was successful in this, defeating Country Party member Horace Nock. He held the seat until 1949, when he was defeated by Country candidate Hugh Roberton.[1] Langtry died in 1951 in Griffith.[2]