Surname Kostygova (Kostygova 
, Костыгова 
) , around the world, is a rare last name. The cognomen Kostygova is habitual in Latvia, where it is a rare surname, Lithuania, and Russia. Not in comparison with a country's population, it most frequently occurs in Russia, Belarus, and Lithuania.
| VARIANT | COUNTRY |
|---|---|
| Kostygova | Russia, Belarus, Finland, Latvia, Lithuania |
| Костыгова | Kazakhstan, Russia, Ukraine, Belarus |
| natalia aleksanderovna kostygova RU (b. 1972) |
|