Acronyms with O

• OSHA

  Known US workplace safety agency acronym.

• OTP

  Common tech acronym for One-Time Password.

• OTT

  Media acronym for streaming services.

• OPEC

  Famous oil producers' organization acronym.

• OAP

  Common UK acronym: Old Age Pensioner.

• OWL

  Tech acronym: Web Ontology Language.

• OBS

  Widely used: Open Broadcaster Software.

• OPP

  Ontario Provincial Police acronym (Canada).

• OTC

  Common acronym for over-the-counter.

• orange
• OPS

  Baseball stat acronym: On-base Plus Slugging.

• OECD

  Well-known economic organization acronym.

• Ono
• OLED

  Tech acronym: Organic Light-Emitting Diode.

• OBE
• Advertisement
• OWN
• OVA
• OSS
• OPT
• Open
• ONS
• OMS
• OMB
• OIL
• OCT
• OAS
• OAT
• OAR
• One
• Olive
• old
• OLA
• out
• OCR
• Over
• OTA
• ORG
• OWLS
• Oval
• OEM
• O.W.L
• ORO
• ORE
• ORD
• O.R
• O.P
• OGM
• OED
• octopus
• OASIS
• Omega

The words in the list Acronyms with O come from players of the word game Categories game.