RSO or R.S.O. may refer to:

Roles and titles

* Range safety officer, a person responsible for the safe use of rocket vehicles *

Radiation Safety Officer In the United States, the person within an organization responsible for the safe use of radiation and radioactive materials as well as regulatory compliance. An organization licensed by the Nuclear Regulatory Commission The Nuclear Regulatory Com ...

, a person responsible for the safe use of radiation and radioactive materials *

Regional Security Officer Regional Security Officer (RSO) is the title given to a special agent of the U.S. Diplomatic Security Service (DSS) who is in charge of a Regional Security Office. The RSO is the principal security attaché and advisor to the U.S. Ambassador at ...

, a Diplomatic Security Service Special Agent in charge of security at a US embassy * Regional Security Office, office in a US embassy or consulate for the Diplomatic Security Service * ', Knight of the Order of the Sword * Reconnaissance systems officer, operator of surveillance systems and equipment on a

Lockheed SR-71 Blackbird The Lockheed SR-71 "Blackbird" is a long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American aerospace company Lockheed Corporation. It was operated by the United States Air Force ...

aircraft

Organisations

* "Radio Symphony Orchestra", used by a number of orchestras: ** Danish National Symphony Orchestra, based in Copenhagen, Denmark ** North German Radio Symphony Orchestra, based in Hamburg, Germany **

Stuttgart Radio Symphony Orchestra The Stuttgart Radio Symphony Orchestra (German: ''Radio-Sinfonieorchester Stuttgart des SWR'') was a German radio orchestra based in Stuttgart in Germany. History The ensemble was founded in 1945 by American occupation authorities as the orchest ...

, based in Stuttgart, Germany ** Bavarian Radio Symphony Orchestra, based in Munich, Germany ** Frankfurt Radio Symphony Orchestra, based in Frankfurt, Germany **

Finnish Radio Symphony Orchestra The Finnish Radio Symphony Orchestra (Finnish: ''Radion sinfoniaorkesteri'', Swedish: ''Radions symfoniorkester'') is a Finnish broadcast orchestra based in Helsinki, and the orchestra of the Finnish Broadcasting Company (Yle). The orchestra prima ...

** Swedish Radio Symphony Orchestra ** Vienna Radio Symphony Orchestra *

Richardson Symphony Orchestra The Richardson Symphony Orchestra (RSO) is an American symphony orchestra based in Richardson, Texas. The orchestra is resident at the Charles W. Eisemann Center for Performing Arts. History The orchestra was founded in 1961. Maestro Clay ...

, based in Richardson, Texas * Roanoke Symphony Orchestra, based in Roanoke, Virginia *

Rogers Sportsnet Ontario Sportsnet is a Television in Canada, Canadian English language, English-language sports broadcasting, sports specialty channel owned by Rogers Sports & Media. It was established in 1998 as CTV Sportsnet, a joint venture between CTV Television ...

, a television station in Ontario, Canada * RSO Records, a record label formed by Robert Stigwood in the late 1960s * Rohingya Solidarity Organisation, a political organization and former insurgent group in Myanmar (Burma)

Military technology

* ''

Raupenschlepper, Ost ''Raupenschlepper Ost'' (German: "Caterpillar Tractor East", more commonly abbreviated to RSO) was a fully tracked, lightweight vehicle used by the Wehrmacht in World War II. It was conceived in response to the poor performance of wheeled and h ...

'', a fully tracked World War II German artillery tractor * '' Radschlepper Ost'', a wheeled World War II German artillery tractor

Other

* Railway Sub Office (1855-1905), a British Royal Mail office which received mail directly from rail transport * Reactive Search Optimization, problem-solving methods with integrated online machine-learning capabilities *

Revised Statutes of Ontario Revised Statutes of Ontario (RSO; French: Lois refondues de l'Ontario, LRO) is a consolidation of public acts in the province of Ontario. Each volume contains a consolidated version of all amended statutes in force, incorporating amendments passed ...

, the provincial laws of Ontario, Canada *

Registered sex offender A sex offender registry is a system in various countries designed to allow government authorities to keep track of the activities of sex offenders, including those who have completed their criminal sentences. In some jurisdictions, registration ...

, a person listed on a sex offender registry * Republic of South Ossetia, a separatist organization in Georgia. *

Resident Space Object A Resident Space Object (RSO) is a natural or artificial object that orbits another body e.g. Sun Orbiting, Earth Orbiting, Mars Orbiting etc. It is most often used to reference objects that are Earth orbiting. In the case of Earth orbiting the pos ...

, any man-made object in Earth orbit no longer used by anyone * RSO, musical duo consisting of American musician

Richie Sambora Richard Stephen Sambora (born July 11, 1959) is an American rock guitarist, singer, songwriter and producer, best known as the lead guitarist of the rock band Bon Jovi from 1983 to 2013. He and lead singer Jon Bon Jovi formed the main songwri ...

and Australian musician Orianthi. *

Rick Simpson oil Rick Simpson Oil is a preparation made from cannabis oil, the oils of ''Cannabis'' flower. It is named after its Canadian creator, circa 2003, which he used to treat his tinnitus, and is also known as phoenix tears. It has been claimed to have he ...

, a form of cannabis concentrate. * Red Star OS, also abbreviated as RSOS, is a North Korean operating system. {{disambig}">=citjournalarticle_529144_10 https://www.tandfonline.com/doi/full/10.1080/24734306.2020.1852821 --> * Red Star OS, also abbreviated as RSOS, is a North Korean operating system. {{disambig}citjournalarticle_529144_10 https://www.tandfonline.com/doi/full/10.1080/24734306.2020.1852821 --> * Red Star OS, also abbreviated as RSOS, is a North Korean operating system. {{disambig