| Acronym | Definition |
|---|
| FOCUS | Friends of Choice in Urban Schools |
| FOCUS | Fellowship of Catholic University Students |
| FOCUS | Families Of Children Under Stress (support group for families of handicapped children in Atlanta, GA, USA) |
| FOCUS | Financial and Operational Combined Uniform Single (SEC requirement) |
| FOCUS | Federation on Computing in the United States |
| FOCUS | Families Overcoming under Stress (US Navy and University of California, Los Angeles) |
| FOCUS | Follow One Course Until Successful |
| FOCUS | Forum Of Control Data Users |
| FOCUS | Fiber Optic Communities of the United States |
| FOCUS | For Our Children's Unique Sight |
| FOCUS | Fostering Commercial Urban Strategies |
| FOCUS | Flexible Optical Control Unit Simulator |
| FOCUS | Family Outreach Center for Understanding Special Needs (Alaska) |
| FOCUS | Financial Occupations Club for University Students |
| FOCUS | Flight Operations Computer System |
| FOCUS | FOtoproduction of Charm: Upgraded Spectrometer |
| FOCUS | Focus on Christ Uplifting Singles |
| FOCUS | Formal and OO-Methods for Customer-Driven Specifications (ESPRIT Project 10603) |
| FOCUS | Fixed Ongoing Concentration, Unlimited Success |
| FOCUS | For On-Line Computer Users |
| FOCUS | Followers Of Christ Under Submission |
| FOCUS | Fisheries Oceanography Cooperative Users System |
| FOCUS | Finding Original Creative Unique Solutions |
| FOCUS | Fiber-Optic Controlled Underwater Stereo (Vehicle) |
| FOCUS | Fostering Originality, Creativity, Understanding, and Self-Awareness (statewide program for gifted elementary school students in Georgia) |
| FOCUS | Future of Ocean Chemistry in the United States |
| FOCUS | Facility for Operations Control and Utilization Statistics |
| FOCUS | Firefighters of Color United in Syracuse, Inc. (New York) |
| FOCUS | Freespace Optical/Near-Optical Communications System |
| FOCUS | Freshman Orientation Can Unite Students (Valparaiso, IN) |