Richard Millar Watson
| Full name | Richard Millar Thomson |
|---|---|
| Country (sports) | Scotland |
| Born | 19 March 1860 |
| Died | 23 February 1925 (aged 64) |
| Turned pro | 1882 (amateur) |
| Retired | 1907 |
| Singles | |
| Career record | 134–63 (68%) |
| Career titles | 12 |
Richard Millar Thomson (19 March 1860 – 23 February 1925) was a Scottish tennis player. In major tournaments of the 19th century he was a quarter finalist in singles at the 1890 Irish Championships. He also won the Scottish National Championships in 1894.