ACO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| ACO | Atomic-cell Orbital | - | Computer Acronyms(common) |
| ACO | Airspace Control Order | - | Astronomy |
| ACO | Administrative Consent Order | - | Business and Finance |
| ACO | Advance Change Order | - | Business and Finance |
| ACO | Atomic Coordinating Office | - | Business and Finance |
| ACO | Administrative Contracting Officer | - | Human Genome |