Cognomen Трънков (Трънков 
) , throughout the world, is a rare last name. The surname Трънков is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Трънков | Bulgaria |
| борис трънков Bulgarian association football manager, BG (b. 1919) |
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| стоил трънков Bulgarian association football manager, BG (b. 1949) |
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