Family name กราฟ (Graph 
, Krap 
, กราฟ) , all over the world, is quite a rare surname. The cognomen กราฟ is characteristic of the Dominican Republic, where it is quite a rare surname, Netherlands, and Czechia, where it is a rare surname. In absolute terms, it is commonest in Indonesia, Netherlands, and the Dominican Republic. Very seldom, กราฟ is the forename as well as the last name.