Family name 木丁 (木丁 
, Muding 
) , throughout the world, is a rare last name. The last name 木丁 is habitual in Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in Indonesia, China, and Malaysia. Likewise, 木丁 is the forename as well as the last name.