Last name Lesek (Lesek 
) , worldwide, is a rare family name. The family name Lesek is characteristic of Slovenia, where it is quite a rare surname, Czechia, where it is a rare surname, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Czechia, and Slovenia. Likewise, Lesek is the forename as well as the last name.