Last name Louts (Louts 
, Луць 
, Лутс 
) , in the entire world, is quite a rare surname. The cognomen Louts is characteristic of Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Estonia. Not in comparison with a country's population, it is commonest in Ukraine, Russia, and Egypt. Much less frequently, Louts is the forename as well as the last name.