| Country | Term | Full Form | Definition | Meaning | Main Category // Subcategory | |
|---|---|---|---|---|
| Worldwide | OP | OrganoPhosphate | Academic & Science // Chemistry | |
| Worldwide | OP | Operational Planning | Business // Business Terms | |
| Worldwide | OP | Ocean Pacific | Business // Companies & Corporations | |
| Worldwide | OP | Original Post/Poster | Computing // Internet | |
| Worldwide | OP | OutPatient | Medical // Hospitals | |
| Worldwide | OP | Opposite Prompt | Arts // Performing arts | |
| Worldwide | OP | OverPowered | Computing // Games & Entertainment | |
| Worldwide | Op | Order in probability | Academic & Science // Mathematics | |
| Worldwide | OP | Ordo Praedicatorum Latin | Society & Culture // Religion & Spirituality | |
| Worldwide | Op | Opus number | Arts // Music | |
| Worldwide | OP | Observation Post | Governmental // Military | |
| Worldwide | OP | Out of Print | Business // Business Terms | |
| Worldwide | OP | Optimus Prime | Miscellaneous // Fictional | |
| Worldwide | OP | Original Pronunciation | Academic & Science // Language & Linguistics | |
| Worldwide | OP | Over-Proof | Society & Culture // Food & Drink | |
| Worldwide | OP | Original Post/Poster | Computing // Internet | |
| Worldwide | OP | One Piece | News & Entertainment // Manga & Anime | |
| Worldwide | OP | Orange Pekoe | Society & Culture // Food & Drink | |
| United States | OP | Oratory Prep | Academic & Science // Universities & Institutions | |
| United States | OP | Overland Park | Regional // Towns & Cities | |
| Finland | OP | OsuusPankki Finnish | Business // Banking | |
| Czech Republic | op | oborovy podnik Czech | Business // Companies & Corporations | |
| Australia | OP | Overall Position | Academic & Science // Exams & Tests | |
The full form of OP is OrganoPhosphate in Academic & Science (Worldwide).
The full form of OP is Operational Planning in Business (Worldwide).
The full form of OP is Ocean Pacific in Business (Worldwide).
The full form of OP is Original Post/Poster in Computing (Worldwide).