Surname จ้าย (Chai 
, จ้าย) , around the globe, is a widespread family name. The surname จ้าย is characteristic of Malaysia, where it is a common surname, British Virgin Islands, and Singapore (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, Malaysia, and Indonesia. Much less frequently, จ้าย is the forename as well as the last name.