WCIS
| Acronym | Definition |
|---|---|
| WCIS | World Cellular Information Service (telecommunications; est. 1995; London, England) |
| WCIS | Workers Compensation Information System (various states) |
| WCIS | Wyoming County International Speedway (Perry, NY) |
| WCIS | What Can I Say |
| WCIS | Water Customer Information System (Phoenix, AZ) |
| WCIS | World Class Information Systems, Inc. (Cincinnati, OH) |