Cognomen 哲思 (哲思 
, Thesh 
) , throughout the world, is a rare family name. The last name 哲思 is characteristic of South Africa, where it is a very rare surname, Malaysia, and China, where it is an extremely rare surname. In absolute terms, it is commonest in China, South Africa, and India. More prevalently, 哲思 is the forename as well as the last name.