Acronyms with O

  • Known US workplace safety agency acronym.

  • Common tech acronym for One-Time Password.

  • Media acronym for streaming services.

  • Famous oil producers' organization acronym.

  • Common UK acronym: Old Age Pensioner.

  • Tech acronym: Web Ontology Language.

  • Widely used: Open Broadcaster Software.

  • Ontario Provincial Police acronym (Canada).

  • Common acronym for over-the-counter.

  • Baseball stat acronym: On-base Plus Slugging.

  • orange

  • Tech acronym: Organic Light-Emitting Diode.

  • Well-known economic organization acronym.

  • Order of the British Empire, UK honor title

  • In slang/texting, OWN = dominate, defeat

  • OVA stands for original video animation (anime)

  • Open-source software, code openly shared

  • In computing, OPT often means optional/option

  • US Office of Management and Budget, gov. agency

  • UK Office for National Statistics, stats agency

  • Order of Military Service; also med: otitis media serosa

  • Octal code, also Oct as month 10 abbrev in dates

  • Organization of American States, regional body

  • Online abbreviation for “Olá” greeting brand/term

  • Over-the-air, tech term for wireless updates

  • Octopus

  • Optical Character Recognition, text-scanning tech

  • Short for organization; common biz/tech initialism

  • “Oral rehydration salts”, medical treatment abbrev.

  • “Original equipment manufacturer”, biz/tech term.

  • Harry Potter “Ordinary Wizarding Level” exams.

  • Chicago O’Hare airport code; also “order”.

  • “Oxford English Dictionary”, famous dictionary.

  • Development bank “Organization of African States…”

  • Same as OMG, “oh my God”/“goodness” online slang.

  • “Occupational Health and Safety” in workplaces.

  • OMO: detergent brand name, also a marketing acronym

The words in the list Acronyms with O come from players of the word game City, Country, River.