| WTR | Waist-to-Thigh Ratio 
| Others |
| WTR | Walk To Ride
| Others |
| WTR | Walker Texas Ranger
| Others |
| WTR | Want to Race
| Others |
| WTR | Want To Request
| Others |
| WTR | Warfighter Training Research
| Others |
| WTR | Warning Triangle
| Others |
| WTR | Warships Today Rating
| Others |
| WTR | Waste Transfer and Recovery
| Others |
| WTR | Water Treatment Resources
| Others |
| WTR | Wayne Taylor Racing
| Others |
| WTR | We The Redeemed
| Others |
| WTR | Wear The Robe
| Others |
| WTR | Web Tools Review
| Others |
| WTR | Web Transcript Request
| Others |
| WTR | Welcome To Reality
| Others |
| WTR | West Texas Raceway
| Others |
| WTR | West Texas Regional
| Others |
| WTR | Western Test Range
| Others |
| WTR | Whiteriver, Arizona USA
| Others |
| WTR | Willingness To Recommend
| Others |
| WTR | Window To Russia
| Others |
| WTR | Windows Trace Remover
| Others |
| WTR | Wireless Technology Research
| Others |
| WTR | Wireless Token Ring
| Others |
| WTR | With The Rule
| Others |
| WTR | Womanist Theory and Research
| Others |
| WTR | Word To Russia
| Others |
| WTR | Work To Ride
| Others |
| WTR | Working Time Regulation
| Others |
| WTR | Working Time Regulations
| Others |
| WTR | World Team Replica
| Others |
| WTR | World Tennis Ratings
| Others |
| WTR | World Tour Racing
| Others |
| WTR | World Track Record
| Others |
| WTR | World Trademark Review
| Others |
| WTR | Worse Than Random
| Others |
| WTR | Write To Read
| Others |