| Rank | Abbreviation | Meaning |
|---|
| ***** | TOCA | Transfer of Class Agreement
| |
| ***** | TOCA | Teacher Observation of Classroom Adaptation
| |
| ***** | TOCA | The Orthopedic Clinic Association
| |
| **** | TOCA | Tools for Orientation and Crystallographic Analysis
| |
| *** | TOCA | Thunderbird Owner's Club of Australia Inc.
| |
| *** | TOCA | Total Organic Carbon Analyzer
| |
| *** | TOCA | Touring Cars
| |
| *** | TOCA | The On Course Advantage
| |
| ** | TOCA | Turf and Ornamental Communicators Association
| |
| ** | TOCA | Teens of Contemporary Art
| |
| * | TOCA | The Old Computer Archive
| |
| * | TOCA | Teacher Observation of Child Adaptation
| |
| * | TOCA | The Orthodox Church in America
| |
| * | TOCA | Thunderbird Owner's Club of Australia
| |
| * | TOCA | Texans Of Czech Ancestry
| |
| * | TOCA | Traditional Orthodox Christian Church
| |
| * | TOCA | Timing Output Card
| |
| * | TOCA | Tohono O'odham Community Action
| |
| * | TOCA | totally occluded coronary arteries
| |
| * | TOCA | Tyr-octreotate
| |