| Acronym | Definition |
|---|
| KAO➣Kuiper Airborne Observatory (NASA) |
| KAO➣Kuusamo, Finland (Airport Code) |
| KAO➣Korea Astronomy Observatory (South Korea) |
| KAO➣Kisses All Over |
| KAO➣Kappa Alpha Order (fraternity) |
| KAO➣Ka-Band Downlink (astronomy) |
| KAO➣Kick Ass Offense (football) |
| KAO➣KIPP (Knowledge Is Power Program) Academy of Opportunity (Los Angeles, CA) |
| KAO➣Cryptographic Equipment Operational Manual |
| KAO➣Katholische Aktion Österreich |