Surname Ойдов (Oidov 
, Ойдов 
) , globally, is a rare cognomen. The cognomen Ойдов is habitual in Mongolia, where it is quite a common surname, Kenya, where it is a rare surname, and Russia, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Mongolia, Kenya, and the United States. Very seldom, Ойдов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oidov | China, Kenya, United States, Mongolia, New Zealand |
| Ойдов | Russia |
| зэвэгийн ойдов Olympic wrestler, MN (b. 1949) |
|