| WTC | Chief Water Tender 
| Others |
| WTC | Wafer Transfer Chamber
| Others |
| WTC | Walk Through Closet
| Others |
| WTC | Wanganui Technical College
| Others |
| WTC | Warrior Transition Command
| Others |
| WTC | Washington Technology Center ( University of Washington)
| Others |
| WTC | Watch Them Crumble
| Others |
| WTC | Water Temperature Control
| Others |
| WTC | Water Tight Compartment
| Others |
| WTC | Water Tower Campus
| Others |
| WTC | We Trust Christ
| Others |
| WTC | Weapons Technician Chief Petty Officer
| Others |
| WTC | Wear The Cheese
| Others |
| WTC | Web Tier Consolidation
| Others |
| WTC | Web Tools Collection
| Others |
| WTC | Weekly Trivia Champion
| Others |
| WTC | Wehle Technology Center
| Others |
| WTC | Welcome To Canada
| Others |
| WTC | Well-Tempered Clavier
| Others |
| WTC | West Terrace Cemetery
| Others |
| WTC | West Texas Cruisers
| Others |
| WTC | West Tildesely Crew
| Others |
| WTC | Western Technical College
| Others |
| WTC | Western Texas College
| Others |
| WTC | Westport Telephone Company
| Others |
| WTC | What The Chef
| Others |
| WTC | What The Chiz
| Others |
| WTC | What The Christ
| Others |
| WTC | What The Cook
| Others |
| WTC | What The Crap?
| Others |
| WTC | What Trade Center
| Others |
| WTC | What Trade Centre
| Others |
| WTC | What's That Called?
| Others |
| WTC | Whidbey Telephone Company
| Others |
| WTC | White Tank Campground
| Others |
| WTC | White Trash Camping
| Others |
| WTC | White Truck Club
| Others |
| WTC | Whitefish Theatre Company
| Others |
| WTC | William Tyndale College
| Others |
| WTC | Willingness To Communicate
| Others |
| WTC | Wilson Talent Center
| Others |
| WTC | Wiltop Trade Center
| Others |
| WTC | Wind Tunnel Centre
| Others |
| WTC | Windows Terminal Controller
| Others |
| WTC | Winter Test Center
| Others |
| WTC | Wireless Telephony Client
| Others |
| WTC | Wireless Topic Center
| Others |
| WTC | Wireless Transfer Communication
| Others |
| WTC | Withlacoochee Technical College
| Others |
| WTC | Wolfpack Thug Clan
| Others |
| WTC | Wolfpack Training Center
| Others |
| WTC | Wolfpack Training Complex
| Others |
| WTC | Women Tech Council
| Others |
| WTC | Won't Take Chances
| Others |
| WTC | Word's Truly Composed
| Others |
| WTC | Workforce Technology Center
| Others |
| WTC | Working Tax Credit
| Others |
| WTC | World Taekwondo Council
| Others |
| WTC | World Terror Committee
| Others |
| WTC | World Thorium Fuel Concept
| Others |
| WTC | World Touring Car
| Others |
| WTC | World Trade Center
| Others |
| WTC | World Trade Centers
| Others |
| WTC | World Trade Centre
| Others |
| WTC | World Trade City
| Others |
| WTC | World Transplant Congress
| Others |
| WTC | World Triathlon Corporation
| Others |
| WTC | World Tunnel Congress
| Others |
| WTC | Wound Treatment Center
| Others |