Cognomen ราชกุมารี (Rajkumari 
, Rajkumaree 
, ราชกุมารี 
) , in the entire world, is quite a common last name. The surname ราชกุมารี is characteristic of Bangladesh, where it is quite a rare surname, India, where it is a rare surname, and Saudi Arabia. Predominantly, ราชกุมารี is the forename as well as the last name.