Surname Lobtsov (Lobtsov 
, Лобцов 
) , in all the world, is a very rare cognomen. The surname Lobtsov is habitual in Belarus, where it is a very rare surname, Kyrgyzstan, and Russia. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Lobtsov | Russia |
| Лобцов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |