Cognomen Klosett (Closet 
, Clausus 
, Klosett) , around the world, is quite a rare last name. The cognomen Klosett is characteristic of Brunei, where it is quite a common surname, Bermuda, where it is quite a rare surname, and Macao. Measured by absolute frequency, it is commonest in Indonesia, Ghana, and United Arab Emirates. Very seldom, Klosett is the forename as well as the last name.