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