English abbreviations from wtsn to wtuk
- WTSN (West Texas Saturday Nights)
- WTSO (Watch The Simpsons On-line)
- WTSS (West Toronto Support Services)
- WTST (Workshop on the Teaching of Software Testing)
- WTST 2 (Second Annual Workshop on the Teaching of Software Testing)
- WTSW (Women's Team Senior Wrestling)
- WTSY (When To Say Yes)
- WTT (Willing To Trade)
- WTTA (World Table Tennis Association)
- WTTC (Welcome To The City)
- WTTF (Why The Towers Fell)
- WTTG (Wilhelmsburger Tischt Tennis Gemeinschaft)
- WTTH (Welcome To The Hellmouth)
- WTTI (Williow Tree Teen Institute)
- WTTJ (Welcome To The Jungle)
- WTTL (Washington Tariff & Trade Letter)
- WTTLC (Wetzel Tyler Track League Championship)
- WTTN (Welcome To The Nightmare)
- WTTP (Winston- Thomas Treatment Plant)
- WTTS ((celestial object) Weak-Line T-Tauri Star, a type of young star with weak spectral line emission)
- WTTT (Welcome To Team Target)
- WTTU (World Traditional Taekwondo Union)
- WTTV (Winter Texan TeleVision)
- WTU (Waste Treatment Unit)
- WTUA (Western Townships Utilities Authority)
- WTUB (Water Treatment Units Benson)
- WTUB-P (Premium Quality - Waved Turbo)
- WTUD (The World Turned Upside Down)
- WTUF (Working To Unite Families)
- WTUG (Westside Technology Users Group)
- WTUK (Warrington Trials U K)