Worldwide, สิทธิคุณ (สิทธิคุณ 
, Sitthikhun , Sittikhun ) is a very rare predominantly male, but very seldom female first name. The given name สิทธิคุณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare predominantly masculine, but scarcely girly name. Likewise, สิทธิคุณ is the last name as well as the forename.