Globally, ทวีสิน (ทวีสิน 
, Taweesin 
, Thaweesin 
) is a rare largely boy's, but infrequently female first name. The forename ทวีสิน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare largely masculine, but uncommonly female name. Also, ทวีสิน is the last name as well as the forename.