Family name อุปสรรค (Barr 
, Upasak 
, Barrier ) , in the world, is a common cognomen. The surname อุปสรรค is characteristic of Bahamas, where it is quite a common surname, Isle of Man, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and France. Very seldom, อุปสรรค is the forename as well as the last name.