In the entire world, สุมัทธนา (สุมัทธนา 
) is a very rare gender-neutral forename. The first name สุมัทธนา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare epicene name. Very seldom, สุมัทธนา is the last name as well as the forename.
หาญรบ, ชัยจันทร์, and ภักดีดินแดน