Cognomen ธอร์ (Tho 
, ธอร์) , around the globe, is a common surname. The family name ธอร์ is characteristic of Malaysia, where it is quite a common surname, Macao, and Maldives, where it is quite a rare surname. In absolute terms, it is commonest in South-eastern Asia, particularly Malaysia, Vietnam, and Indonesia. Also, ธอร์ is the forename as well as the last name.