Cognomen Lelya (Леля 
, Лёля 
, Lelya 
) , worldwide, is quite a rare surname. The surname Lelya is characteristic of Belarus, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Tanzania. Not in comparison with a country's population, it is the most numerous in Russia, Belarus, and Tanzania. More frequently, Lelya is the forename as well as the last name.