Around the world, น้องสาว (Sisy 
, Ssis 
, Sisser 
) is quite a rare dominantly feminine, but infrequently boy's given name. The forename น้องสาว is characteristic of Bolivia, where it is a rare girly name, Indonesia, where it is a rare largely female, but infrequently boy's name, and Algeria, where it is a rare female name. Also, น้องสาว is the last name as well as the forename.