What is "sro"

1941, initialism (acronym) for standing room only.

SRO may refer to:

• Standing-room only, an event in which all seats are occupied leaving only places to stand
  • Standing Room Only (disambiguation)
• S.R.O. (album), a 1966 album by Herb Alpert and the Tijuana Brass
• S.R.O. (radio program), a Philippine radio program
• SRO Cinemaserye, a 2009 televised dramatic anthology from the GMA Network in the Philippines
• School resource officer, a police officer assigned to a school
• Scientific Review Officer, at the National Institutes of Health (NIH), Center for Scientific Review (CSR)
• Self-regulatory organization, an organization that exercises some degree of regulatory authority over an industry or profession
• Senior reactor operator, a supervisory position overseeing the work of the nuclear reactor operators
• Side Roads Order, in the UK, a statutory instrument relating to changes to roads
• Silkroad Online, a massively multi-player online role-playing game
• Single room occupancy, a style of living arrangement
• Slovenský rozhlas ("SRo"), Slovak radio group
• Stéphane Ratel Organisation, a motorsports organization
• Strontium oxide (SrO), an inorganic compound
• "S.R.O.", a song by Avail from their 1998 album Over the James
• s.r.o., in the names of Czech and Slovak businesses, corresponds to " LLC" and reads as společnost s ručením omezeným (Czech) or spoločnosť s ručením obmedzeným (Slovak)
• Senior Responsible Owner, a role in Portfolio Management or method Management of Portfolios (M_o_P)