| Acronym | Definition |
|---|
| ACTION | Australian Capital Territory Internal Omnibus Network |
| ACTION | Adopting Changes to Improve Outcomes Now (addiction treatment campaign) |
| ACTION | American Council To Improve Our Neighborhoods |
| ACTION | ACH Credit Transactions Initiated Online |
| ACTION | Any Change Toward Improving One's Nature |
| ACTION | Acute Coronary Treatment & Intervention Outcomes Network |
| ACTION | Automated Compliance Targeting Integrated Online Network |
| ACTION | Airline and Customer-Related Travel Industry Occupation Network |
| ACTION | Achievement focus, Customer first, Take responsibility for performance, Inspire high standards, Overcome hurdles and Never accept second best (UK police program) |