Throughout the world, สีสุวรรณ (สีสุวรรณ 
, Sisuwan 
, Silsuwan 
) is a very rare gender-neutral first name. The first name สีสุวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare epicene name. More prevalently, สีสุวรรณ is the last name as well as the forename.