Surname Sumecki (Sumecki 
) , around the globe, is a very rare family name. The surname Sumecki is characteristic of Croatia, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Germany. Likewise, Sumecki is the forename as well as the last name.