OP
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| OP | Oceanic Plagiogranites | - | Computer Acronyms(common) |
| OP | Overlap Population | - | Computer Acronyms(common) |
| OP | Open | - | Organizations |
| OP | Operate | - | Organizations |
| OP | Operation | - | Organizations |
| OP | Oxygen Purge | - | Organizations |
| OP | Observation Point/Post | - | Astronomy |