English abbreviations from wtr to wttf
- WTR (Whiteriver Airport (FAA: E24))
- WTRA (Whitemarsh Township Residents Association)
- WTRD (Warfighter Training Research Division)
- WTRF (Waste Transfer and Recovery Facility)
- WTRI (William Tuttle Racing Images)
- WTRL (College of Wooster Tree Ring Laboratory)
- WTRO (Wheatland Township Republican Organization)
- WTRP (West Texas Raceway Park)
- WTRR (Willi Territorial Rough Riders)
- WTRS (Web Transcript Request Status)
- WTRT (Where The River Turns)
- WTRW (Welcome To the Real World)
- WTS (Wing Transportation Squadron (USMC))
- WTSA (Wisconsin Chapter - Tourette Syndrome Association)
- WTSD (West Tennessee School for the Deaf)
- WTSDA (World Tang Soo Do Association)
- WTSE (Windows Terminal Services, Enterprise Edition)
- WTSF (Waste Treatment and Storage Facility)
- WTSH (Winning the Scholarship Hunt)
- WTSL (Washington Tuesday Subbuteo League)
- WTSM (Warning Threshold Selection Model)
- 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)