Ro

• Ro (company), an American telehealth company • Royal Ordnance, a British armaments manufacturer • TAROM, a Romanian airline, IATA airline code RO ==Places==

• Rø, Denmark • Ro, Emilia-Romagna, Italy • Ro, Greece, a small Greek island • Romania (ISO 3166-1 country code RO) ==Science and technology==

• .ro, Internet country code top-level domain for Romania • Ro (antigen) • Autoantigen Ro, a protein • Ro (volume), an Egyptian unit of measurement • Radio occultation, a technique for measuring the properties of an atmosphere • Reactor operator, a person who controls a nuclear reactor • Reverse osmosis, a water purification process • Receive only, a type of teleprinter • Anti-SSA/Ro autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies) ==Other uses==

• Ro (kana), a Japanese character • Ro (name), a given name, nickname and surname • Ro (dubious Danish king) • Ro (pharaoh) or Iry-Hor (fl. c. 3170 BC), Egyptian pharaoh • Ro (title), a Fijian title of nobility • Ro (video game), 2008 • Ro language, a constructed language • Rö Church, in Stockholm County, Sweden • Romanian language, ISO 639-1 language code ro • Range Officer, supervising a shooting range • Renewables Obligation (United Kingdom), a British order requiring renewable electricity generation ==See also==