Cognomen Troshchenkova (Troshchenkova 
, Трощенкова 
) , throughout the world, is a rare family name. The family name Troshchenkova is characteristic of Latvia, where it is a rare surname, Russia, and Belarus. Measured by absolute frequency, this name is the most popular in Russia, Ukraine, and Latvia.
| VARIANT | COUNTRY |
|---|---|
| Troshchenkova | Russia, United States, Latvia |
| Трощенкова | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |