Reo or REO may refer to:
People with the name
Reo Fortune (1903–1979), New Zealand social anthropologist
Reo Griffiths (born 2000), English footballer
Reo Hatate (旗手 怜央, born 1997), Japanese footballer
Reo Kurachi (倉知 玲鳳; born 1997), Japanese voice actress and keyboardist
Reo Kurosawa (黒沢 怜生; born 1992), Japanese professional shogi player
Reo Mochizuki (望月 嶺臣; born 1995), Japanese footballer
Reo Nishida (西田 玲雄, born 2000), Japanese diver
Reo Nishiguchi (西口 黎央, born 1997), Japanese footballer
Reo Okabe (岡部 怜央, 1999), Japanese professional shogi player
Reo Sano (佐野 玲於, born 1996), Japanese dancer and actor
Reo Stakis (1913–2001), Scottish hotel magnate, founder of Stakis Hotels
Reo Takeshita (竹下 玲王, born 1995), Japanese footballer
Reo Yasunaga (安永 玲央; born 2000), Japanese footballer
Don Reo (born 1946), American television writer and producer
Places
Réo, a town in Burkina Faso
Reo, Estonia, village
Reo, Indiana, United States, an unincorporated community
Other uses
Rare-earth oxide, alternative name for rare-earth element
Real estate owned, a class of property
Registration and Electoral Office (Hong Kong)
REO, FAA identifier for Rome State Airport in Rome, Oregon
R.E.O. (album), a 1976 album by REO Speedwagon
Sometimes used an abbreviation of REO Speedwagon's full name
Reo (deity), Lusitanian god
Reo (spider), a spider genus of family Mimetidae
Reo Coordination Language, a computer programming language
REO Motor Car Company (1905–1975), a former American car and truck manufacturer, founded by Ransom E. Olds
Rio (disambiguation)
Ríos (disambiguation)