SACK
| Acronym | Definition |
|---|---|
| SACK | Simple Ajax Code Kit |
| SACK | Selective Acknowledgement |
| SACK | Selective Acknowledgment |
| SACK | Self Advocate Coalition of Kansas (Lawrence, KS) |
| SACK | Suppression of Asymmetric Cell Kinetics |
| SACK | Summer Adventure Camp for Kids (San Francisco, CA) |
| SACK | Simple AJAX (Asynchronous Javascript and XML (Extensible Markup Language)) Code Kit (computer programming) |
| SACK | Steel Addiction Custom Knives |