Valentin Dimov
| Country (sports) | Bulgaria | 
|---|---|
| Residence | Sofia, Bulgaria | 
| Born | 12 March 1989 Sofia, Bulgaria  | 
| Turned pro | 2006 | 
| Retired | 2014 | 
| Plays | Right-handed | 
| Prize money | US$ 24,575 | 
| Singles | |
| Career record | 0–2 (at ATP Tour level, Grand Slam level, and in Davis Cup) | 
| Career titles | 0 0 Challengers, 1 Futures  | 
| Highest ranking | 621 (8 March 2010) | 
| Doubles | |
| Career record | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) | 
| Career titles | 0 0 Challengers, 0 Futures  | 
| Highest ranking | 694 (24 August 2009) | 
| Last updated on: 30 January 2021. | |
Valentin Ivanov Dimov (Bulgarian: Валентин Иванов Димов, born 12 March 1989) is a former professional Bulgarian tennis player. On 8 March 2010, he reached his highest ATP singles ranking of 621 whilst his best doubles ranking was 694 on 24 August 2009. He is the current captain of the Bulgarian Davis Cup team since 2022.