| Roles | Competed in Olympic Games • Non-starter | 
|---|---|
| Sex | Male | 
| Full name | Valko•Kostov | 
| Used name | Valko•Kostov | 
| Original name | Вълко•Костов | 
| Born | 14 November 1936 in Ostar kamak, Haskovo (BUL) | 
| Died | 21 November 2012 | 
| Measurements | 176 cm / 87 kg | 
| NOC |  Bulgaria | 
Valcho Kostov had the following finishes at major championships – 1963 World Championship: 97.0 kg. Freestyle (2nd); 1966 World Championship: Unlimited Freestyle (4th).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Wrestling |  BUL | Valko Kostov | |||
| Light-Heavyweight, Freestyle, Men (Olympic) | =13 | |||||
| 1964 Summer Olympics | Athletics |  BUL | Valko Kostov | |||
| Discus Throw, Men (Olympic) |