Korolkov

Korolkov is a surname of Slavic origin. It is derived from the word "korol'," meaning "king" in several Slavic languages, including Russian, Ukrainian, and Belarusian. As such, the surname likely originated as a nickname or occupational name for someone associated with a king, such as a royal servant, someone who played a king in a play, or someone who simply behaved in a kingly manner.

The surname is relatively common in Russia, Ukraine, and Belarus. It has also spread to other countries due to migration. Bearers of the name may have variations in spelling depending on transliteration from Cyrillic alphabets. Common variations are Korolev (which is more common), Korol, and Karolkov.

The surname does not have any known specific noble or royal connections beyond its general association with the concept of "king." Information regarding the specific history of a family bearing the surname Korolkov would require genealogical research.