Cognomen Билов (Bilov 
, Билов 
, Bylov 
) , all around the world, is a rare surname. The last name Билов is characteristic of Denmark, where it is quite a rare surname, Estonia, where it is a rare surname, and Costa Rica, where it is a very rare surname. Measured by absolute frequency, it is commonest in Denmark, Russia, and Ukraine. Much less frequently, Билов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bilov | Ukraine, Russia, United States, Germany, India |
| Билов | Ukraine, Russia, Kazakhstan |
| Bylov | Russia, United Kingdom, United States, Germany, Denmark |
| билов, христиан христианович RU (b. 1723) |
|
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| билов, соломон хаимович BY (b. 1888) |
|