Across the world, ทองอยู่ (Thongyoo 
, Thongyu 
, ทองอยู่) is a very rare unisex forename. The first name ทองอยู่ is characteristic of Thailand, where it is a very rare gender-neutral name, and China, where it is an extremely rare male name. More prevalently, ทองอยู่ is the last name as well as the forename.