WCY
| Acronym | Definition |
|---|---|
| WCY | World Competitiveness Yearbook (publication; International Institute for Management Development; Lausanne, Switzerland) |
| WCY | Waco Center for Youth (Waco, TX) |
| WCY | World Communications Year (stamp collecting) |
| WCY | Waldo County YMCA (Young Men's Christian Association; Belfast, ME) |
| WCY | West Coast Yachts (Seattle, WA) |
| WCY | Worst Case Yield (bonds) |