Surname Sepak (Spaak 
, Sepak 
, Spake 
) , around the globe, is quite a rare last name. The family name Sepak is habitual in Sweden, where it is quite a rare surname, Belgium, where it is a rare surname, and Netherlands. In absolute terms, the name is most common in the United States, Egypt, and Sudan. Much less frequently, Sepak is the forename as well as the last name.