| Thomas Greer | |
| Office: | Member of Parliament for Carrickfergus |
| Term Start: | 31 March 1880 |
| Term End: | 24 November 1885 |
| Predecessor: | Marriott Dalway |
| Successor: | Constituency Abolished |
| Birth Date: | 1837 4, df=yes |
| Nationality: | Irish |
| Party: | Conservative |
Thomas Greer (4 April 1837 – 20 September 1905)[1] was an Irish Conservative politician. He was the Member of Parliament (MP) for Carrickfergus from 1880 to 1885.[2]