Tonka Petrova
| Medal record | ||
|---|---|---|
| Women's athletics | ||
| Representing Bulgaria | ||
| European Indoor Championships | ||
| 1974 Gothenburg | 1500 m | |
| 1973 Rotterdam | 1500 m | |
| 1974 Gothenburg | 4×392 m | |
| 1971 Sofia | 4×400 m | |
Tonka Ivanova Petrova (Bulgarian: Тонка Ивановна Петрова; born 1 February 1947 in Yambol) is a Bulgarian former middle-distance runner.
She won a silver medal at European Indoor Championships in the 1500 metres run in Rotterdam in 1973. In 1974, she won a gold medal at the European Indoor Championships' 1500 m run in Gothenburg, and a silver medal in a 4 x 392 metres relay race with Bulgaria. She also competed in the women's 1500 metres at the 1972 Summer Olympics.