Richard Millar Watson
| Full name | Richard Millar Thomson |
|---|---|
| Country (sports) | Scotland |
| Born | 19 March 1860 Edinburgh, Scotland |
| Died | 1925 Edinburgh, Scotland |
| Turned pro | 1882 (amateur) |
| Retired | 1907 |
| Singles | |
| Career record | 116–58 |
| Career titles | 8 |
Richard Millar Thomson (19 March 1860 – 1925) was a Scottish tennis player. He won the Scottish Championships in 1894, and was a quarter finalist at the Irish Championships in 1890. He was active from 1882 to 1907 and won 8 career singles titles.