Surname Rinkam (Rinkam 
) , around the globe, is a rare cognomen. The surname Rinkam is habitual in Thailand, where it is a rare surname, Nigeria, where it is a very rare surname, and the United States, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Thailand, Nigeria, and India. Likewise, Rinkam is the forename as well as the last name.