Family name Sumur (Sumr 
, Sumur 
) , around the globe, is a rare last name. The surname Sumur is habitual in Indonesia, where it is a very rare surname, Malaysia, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Indonesia, India, and Malaysia. More frequently, Sumur is the forename as well as the last name.