Cognomen Semiletova (Семилетова 
, Semiletova 
) , in the entire world, is quite a rare family name. The cognomen Semiletova is characteristic of Russia, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan. Very seldom, Semiletova is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Семилетова | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Semiletova | Kazakhstan, Romania, Russia, Georgia, United States |