OD
- Batik Air Malaysia
- Danny Brown (rapper)
- Diamond Boy (DTM)
- Doctor of Optometry
- Drug overdose
- Eyeglass prescription
- Feet of Clay (EP)
- Jewish Ghetto Police
- Kojima Productions
- List of abbreviations used in medical prescriptions
- O.D (Gatchaman Crowds)
- OD (video game)
- ODS (disambiguation)
- Object Desktop
- Oblivion Dust
- Occupation Double
- Od language
- Oder (disambiguation)
- Odic force
- Odisha
- Odor (disambiguation)
- Official Declaration
- Old Diocesan
- Old Dominion (band)
- Old Dunelmian
- Olive drab
- One Direction
- One Minute Science
- Online dating
- Optical density
- Optical disc
- Order of Distinction (Jamaica)
- Ordinal definable set
- Ordnance datum
- Organization development
- Original dance
- Orphei Drängar
- Osteochondritis dissecans
- Outside diameter
- Overly Dedicated
- Stormarn (district)
- Super OD
- Xbox Game Studios
- Ód