Acronyms with O
- OSHA
- OTP
- OTT
- OPEC
- OAP
- OWL
- OBS
- OPP
- OTC
- OPS
- orange
- OECD
- Odd
- ONO
- OLED
- Advertisement
- OMS
- OSS
- OVA
- OBE
- OWN
- ONS
- OCT
- OAS
- OMB
- OIL
- Open
- OAR
- Over
- OLA
- One
- OPT
- Olive
- out
- old
- OCR
- OAT
- octopus
- OTA
- ORG
- OWLS
- OAK
- OTOH
- Oval
- OEM
- ORD
- OASIS
- ORO
- O.R
- O.W.L
- OED
- Off
- Omega
- oops
- OOH
- Only
- ocad
- Onto
- Owen
- ouch
- Outfitters
- OTB
- O.P
- ominous
- O.W.Ls
- OIL RIG
- oats
- Oreo
- O.W.C.A
The words in the list Acronyms with O come from players of the word game Categories game.