Family name Мацов (Macov 
, Мацов 
, Matsov 
) , in all the world, is a rare cognomen. The cognomen Мацов is characteristic of Estonia, where it is a rare surname, Bulgaria, and Belarus. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Russia, Romania, and Belarus. Very seldom, Мацов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Macov | Spain, United States, Philippines |
| Мацов | Russia, Ukraine, Bulgaria, Belarus |
| Matsov | Germany, Russia, Estonia, United States, Israel |
| Matcov | Romania |