>
Cognomen Olech (Olech , Олех , Олеш ) , worldwide, is quite a common surname. The surname Olech is characteristic of Eastern Europe, particularly Poland, where it is quite a rare surname, Ukraine, and Belarus, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Poland, Ukraine, and the United States. Likewise, Olech is the forename as well as the last name.