All around the world, Thoei (Tho 
, เทย 
, Thoei) is a common mostly boy's, but uncommonly feminine forename. The given name Thoei is characteristic of Macao, where it is quite a common girly name, Vietnam, where it is quite a rare largely boy's, but infrequently girly name, and the Democratic Republic of the Congo, where it is a rare male name. Measured by absolute frequency, it is the most numerous in South-eastern Asia, particularly Vietnam, Indonesia, and Philippines. Also, Thoei is the last name as well as the forename.