WTCA
| Acronym | Definition |
|---|---|
| WTCA | World Trade Centers Association |
| WTCA | Wood Truss Council of America (Madison, Wisconsin) |
| WTCA | Welsh Terrier Club of America |
| WTCA | World Trade Center Amsterdam (commercial center) |
| WTCA | Water Terminal Clearance Authority |
| WTCA | West Texas Cycling Association (Lubbock, TX) |