| Acronym | Definition |
|---|
| GOP | Grand Old Party (US Republican political party) |
| GOP | Group Of Pictures (MPEG) |
| GOP | Government Of the People |
| GOP | Government of Portugal |
| GOP | Government of Pakistan |
| GOP | Grant of Probate (estates) |
| GOP | Guns of the Patriots (gaming) |
| GOP | Group of Personalities (EU) |
| GOP | Grumpy Old People (Republican Party slang) |
| GOP | Globalization of Production |
| GOP | Greedy Old Party (political slang) |
| GOP | God's Own Party (slang for US Republican party) |
| GOP | Global Operation |
| GOP | Group of Pictures |
| GOP | Graph Oriented Programming |
| GOP | Grand Opposition Party (politics) |
| GOP | Global Order Promising (Oracle Solutions) |
| GOP | Gross Operating Profit |
| GOP | Global Outreach Program |
| GOP | Government of Panama |
| GOP | Gang of Psychos |
| GOP | Greedy Old People |
| GOP | Get Out and Push |
| GOP | Gallant Old Party (original meaning) |
| GOP | Gazi Osman Pasa (Istanbul City suburb) |
| GOP | Gippsland Offshore Petroleum (Gippsland Basin, Australia) |
| GOP | Grundlagen- und Orientierungsprüfung |
| GOP | Guidelines for Operational Planning (NATO) |
| GOP | Gestion des Opérations et de la Production |
| GOP | Good Operating Practice |
| GOP | Geological Operations Report (energy production) |
| GOP | General Operational Plot (US Navy) |
| GOP | General Outpost |
| GOP | Global Operating Plan |
| GOP | General Operating Procedure |
| GOP | Gods of Plastic (Ultimate Frisbee team) |
| GOP | Gestión Organizacional de Proyectos (Spanish: Organizational Project Management) |
| GOP | Game On Pause (forum) |
| GOP | Ground Observer Post |
| GOP | Gauntlet of Power (item found in D&D-type games) |
| GOP | Generator Oil Pressure |
| GOP | Ghosts of Perdition (gaming clan) |
| GOP | Ground Operating Procedure (US DoD) |
| GOP | Global Oceanic Pollution (James Edward Scherbarth painting) |
| GOP | Gas, Oil and Petrol |