Surname ราชสีมา (ราชสีมา 
, Ratsima 
, Ratchasima 
) , all around the world, is a rare cognomen. The family name ราชสีมา is habitual in Madagascar, where it is quite a rare surname, Thailand, where it is a rare surname, and France, where it is a very rare surname. Very seldom, ราชสีมา is the forename as well as the last name.
| สุนารี ราชสีมา Thai musicians, TH (b. 1968) |
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| สมมาส ราชสีมา TH (b. 1973) |
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