| Abbreviation | Definition |
|---|---|
| ACTC | Andhra Christian Theological College |
| ACTC | Auckland Catholic Tertiary Chaplaincy |
| ACTI | Academy of Catholic Thought and Imagination |
| ACTI | Africa Christian Training Institute |
| ACTION | Advancing Christian Traditions In Our Nation |
| ACTION | Advent Christian Training In Oversight Nurturing |
| ACTION | Anglican Christian Teens Inspiring Our Neighborhoods |
| ACTS | A Call To Service |
| ACTS | A Chance To Serve |
| ACTS | A Commitment To Serve |
| ACTS | Accelerated Christian Teaching Series |
| ACTS | Accepting The Call To Serve |
| ACTS | Acclaim Christ Through Sharing |
| ACTS | Acclaiming Christ Through Sharing |
| ACTS | Acknowledging Christ Through Service |
| ACTS | Acknowledging Christ Through Skits |
| ACTS | Action Charity Testimony Sanctification |
| ACTS | Active Catholic Teens in Service |
| ACTS | Active Christians Training for Service |
| ACTS | Activities Character Training Scriptures |