Cognomen รุ่งรุจี (Rungrujee 
, Rungruchee , รุ่งรุจี) , worldwide, is a very rare surname. The last name รุ่งรุจี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, รุ่งรุจี is the forename as well as the last name.