RO or Ro may refer to:
Businesses and organizations
- 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 (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
- R0 (disambiguation)
- Rho (disambiguation)
- ROH (disambiguation)
- Roll-on/roll-off, or RORO, cargo ships carrying wheeled cargo
This disambiguation page lists articles associated with the title RO.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: