| Thomas McClure, 1st Baronet of Belmont | |
| Honorific Suffix: | Sir |
| Birth Name: | Thomas McClure |
| Birth Date: | 4 March 1806 |
| MP for Belfast | |
| Term Start: | 1868 |
| Term End: | 1874 |
| Predecessor: | Charles Lanyon Samuel Gibson Getty |
| Successor: | William Johnston James Porter Corry |
| Title2: | High Sheriff of Down |
| Term Start2: | 1864 |
| Term End2: | 1868 |
| Title3: | MP for County Londonderry |
| Term Start3: | 1878 |
| Term End3: | 1885 |
| Predecessor3: | Richard Smyth Hugh Law |
| Successor3: | Constituency abolished |
| Title4: | Baronet of Belmont |
| Term Start4: | 1874 |
| Term End4: | 1893 |
| Predecessor4: | New creation |
| Successor4: | Extinct |
Sir Thomas McClure, 1st Baronet, (4 March 1806 – 21 January 1893) was an MP for Belfast from 1868 to 1874. MP for Londonderry County 1878–1885.
He was appointed High Sheriff of Down for 1864 and later served as vice-lieutenant of the county.
McClure was created a baronet, of Belmont, County Down, on 20 March 1874. This title became extinct on his death. Belmont, his home – bought from Lord Ranfurley – stood on the site of Campbell College.
McClure married at Dreghorn Castle, Colinton, Scotland on the 18 October 1877. He married Ellison Thorburn Macfie (1842–1906).