PRN
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PRN | (pro Re Nata) AS NEEDED | - | Medical(slang) |
| PRN | Program Release Notice | - | Organizations |
| PRN | Pseudo-Random Noise | - | Organizations |
| PRN | Pulse Range Navigation | - | Organizations |
| PRN | Pro Re Nata (Latin | - | Astronomy |