Family name Bajenov (Bajenov 
, Баженов 
, Байенов ) , all around the world, is a common last name. The cognomen Bajenov is characteristic of Russia, where it is quite a rare surname, Kazakhstan, and Azerbaijan. In absolute terms, this name is the most popular in Russia, Kazakhstan, and Ukraine. Very seldom, Bajenov is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bajenov | Greece, Australia, United States, Democratic Republic of the Congo, Russia |
| Баженов | Kazakhstan, Ukraine, Belarus, Russia, Azerbaijan |
| Байенов | Kazakhstan, Russia |
Bajenova, Baschenow, Bazhenov, Bazhenova, Баенов, Баженов, Александр, and Баженов, Николай