| GUTS | Gaming Utility Tool Set 
| Others |
| GUTS | Gather Up The Strength
| Others |
| GUTS | Gay Union of Trenton State
| Others |
| GUTS | General Udp Transport Teleservice
| Others |
| GUTS | Generals United Towards Sobriety
| Others |
| GUTS | Generic Universal Tactical System
| Others |
| GUTS | Georgetown University Transportation Shuttle
| Others |
| GUTS | Georgia Ultra and Trailrunning Society
| Others |
| GUTS | Georgia Ultrarunning and Trailrunning Society
| Others |
| GUTS | Get Up Them Stairs
| Others |
| GUTS | Get Up To Speak
| Others |
| GUTS | Get Up To Speak Toastmasters Club
| Others |
| GUTS | Getting Under the Surface
| Others |
| GUTS | Getting Up To Speed
| Others |
| GUTS | Girls Using Technology Skillfully
| Others |
| GUTS | Girls Using Their Strengths
| Others |
| GUTS | Go USA Talent in Sports
| Others |
| GUTS | Go Use The Skills
| Others |
| GUTS | Gonzaga University Theater Sports
| Others |
| GUTS | Gonzaga University Theatre Sports
| Others |
| GUTS | Greater University Tutoring Service
| Others |
| GUTS | Greater University Tutoring Services
| Others |
| GUTS | Groningen University Theatre Society
| Others |
| GUTS | Ground Up Training System
| Others |
| GUTS | Group Uniformed Training System
| Others |
| GUTS | Growing Up Thinking Scientifically
| Others |
| GUTS | Growing Up Today Study
| Others |
| GUTS | Guaranteed Ultimate Tensile Strength
| Others |
| GUTS | Guaranteed Uptime Service
| Others |