Last name چای (Chai 
, Cai , 茶 ) , all over the world, is a prevalent family name. The last name چای is habitual in Malaysia, where it is a common surname, British Virgin Islands, and Cayman Islands (explore the name in all countries). In absolute terms, it is commonest in China, Malaysia, and Indonesia. Very seldom, چای is the forename as well as the last name.