| Acronym | Definition |
|---|
| GUTS | Growing Up Thinking Scientifically (school program) |
| GUTS | General Udp Transport Teleservice |
| GUTS | Guaranteed Uptime Service |
| GUTS | Global Unlimited Task Squad |
| GUTS | Guaranteed Ultimate Tensile Strength (engineering) |
| GUTS | Get Up To Speak (Toastmasters) |
| GUTS | Georgians Unwilling to Surrender (Atlanta, GA) |
| GUTS | Georgetown University Transportation Shuttle |
| GUTS | Get Up Them Stairs |
| GUTS | Google Unified Ticketing System (Google, LLC) |
| GUTS | Genuine Urge to Succeed |
| GUTS | Guaranteed Uptime Support |
| GUTS | Guardians United to Serve |
| GUTS | Guelph Union of Tenants & Supporters (Canada) |
| GUTS | Gothenburg University Timesharing System (computing) |