Last name เช้า (Chao 
, Morne 
, Morn ) , across the world, is a widespread family name. The surname เช้า is habitual in Macao, where it is a widespread surname, Cayman Islands, where it is quite a common surname, and Aland Islands (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in China, Taiwan, and the United States. Likewise, เช้า is the forename as well as the last name.