Cognomen จวบ (จวบ 
, Chuap 
, Chuaklab ) , around the world, is a very rare family name. The surname จวบ is habitual in Thailand, where it is a very rare surname, Costa Rica, and Indonesia. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Thailand, Indonesia, and Malaysia. More frequently, จวบ is the forename as well as the last name.