PEO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PEO | Poly(ethylene Oxide) | - | Computer Acronyms(common) |
| PEO | ?…??????… ???…‡??? ???†???‰?… (Greek For Pancyprian Federation Of Labour) - Philanthropic Educational Organization - PolyEthylene Oxide - Professional Employer Organization - Professional Engineers Ontario | - | Astronomy |