| Rank | Abbreviation | Meaning |
|---|
| ***** | CROC | continuous receiver operating characteristic
| |
| **** | CROC | Combat Required Operational Capability
| |
| **** | CROC | Committee for Rejection of Obnoxious Commercials
| |
| **** | CROC | Confederación Revolucionaria de Obreros y Campesinos
| |
| **** | CROC | Confederación Revolucionaria Obrera y Campesina
| |
| **** | CROC | Committee on the Rights of the Child
| |
| **** | CROC | Cobra Replica Owners Club
| |
| **** | CROC | Clinical Research Organization in Cancer
| |
| *** | CROC | Câmara Dos Revisores Oficiais De Contas
| |
| *** | CROC | Constitution of the Republic of China
| |
| *** | CROC | Convention of the Rights of the Child
| |
| *** | CROC | Commandant of the Royal Observer Corps
| |
| ** | CROC | Comissão Regional de Orientação e Coordenação
| |
| ** | CROC | Crocodile Rehabilitation, Observance and Conservation
| |
| ** | CROC | Centro Regional de Observancia Y Convergencia
| |
| ** | CROC | Proshares Ultrashort Australian (American Stock Exchange [AMEX])
| |
| * | CROC | Central Region Operation Centre
| |
| * | CROC | Château-Thierry Rugby Omois Club
| |
| * | CROC | Cooperative Restraining Order Clinic
| |
| * | CROC | Citizens Reunited to Overcome Cancer
| |
| * | CROC | Carolina Rover Owners Club
| |
| * | CROC | Clinical Resources on Call
| |
| * | CROC | Columbia River Organ Club
| |
| * | CROC | Columbia River Orienteering Club
| |