Family name Oyunchimeg (Oyunchimeg 
) , globally, is a rare last name. The last name Oyunchimeg is habitual in Mongolia, where it is quite a common surname, Isle of Man, where it is quite a rare surname, and China, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Mongolia, China, and the United States. Also, Oyunchimeg is the forename as well as the last name.