| COAST | Cache On A STick 
| Others |
| COAST | Cambridge Optical Aperture Synthesis Telescope
| Others |
| COAST | Cancer Outreach and Support Together
| Others |
| COAST | Checking On a Senior Today
| Others |
| COAST | Children on the Autism Spectrum Together
| Others |
| COAST | Citizens Of America Stand Together
| Others |
| COAST | Coalition of Australian States and Territories
| Others |
| COAST | Coalition Opposed to Additional Spending and Taxes
| Others |
| COAST | Coastal and Ocean Airborne Science Testbed
| Others |
| COAST | Coastal Observation And Simulation with Topography
| Others |
| COAST | Collect and Organize Analyze Solve and Think
| Others |
| COAST | Coming Of Age Spiritual Trek
| Others |
| COAST | Community Of Arran Seabed Trust
| Others |
| COAST | Computer Operations Audit and Security Technology
| Others |
| COAST | Computer Operations Audit and Security Tools
| Others |
| COAST | Computer Operations, Audit, and Security Tools
| Others |
| COAST | Computer Optimized Adaptive Suspension Technology
| Others |
| COAST | Controller's Assistant
| Others |
| COAST | Corvette Owners Association of South Texas
| Others |
| COAST | Council on Ocean Affairs Science Technology
| Others |
| COAST | Counseling Outreach Advocacy Student Team
| Others |
| COAST | Course Of Action Support Tool
| Others |
| COAST | Creating Opportunities, Adventure, and Sports for Teens
| Others |
| COAST | Crisis Outreach And Support Team
| Others |
| COAST | Customer Online Application and Services Tool
| Others |