Worldwide, Thasi (Thasi 
, ทสี 
, ทาสี ) is a rare unisex first name. The first name Thasi is habitual in South Africa, where it is a rare gender-neutral name, Nigeria, where it is a very rare mostly masculine, but infrequently female name, and India, where it is an extremely rare unisex name. More prevalently, Thasi is the last name as well as the forename.