All around the world, ทองเหล็ก (ทองเหล็ก 
) is a very rare predominantly boy's, but scarcely girly first name. The first name ทองเหล็ก is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare primarily masculine, but very infrequently girly name. More prevalently, ทองเหล็ก is the last name as well as the forename.