- WLT (Wafer-Level Test)
- WLTB (Would Like To Beat)
- WLTC (Waterford Lakes Town Center)
- WLTD (Wage Loss Temporary Disability)
- WLTF (Wireless LAN Task Force)
- WLTG (Wireless LAN Technology Group)
- WLTI (Washington Leadership Training Institute)
- WLTP (Women's Leadership Training Program)
- WLTS (Well Log Tracking System)
- WLTT (Workout Leisure & Training in Taunton)
- WLTV (World Link Television network)
- WLU (Washington and Lee University)
- WLUA (Wharton Latino Undergraduate Association)
- WLUC (West London Ultimate Clubs)
- WLUF (Wild Life Unlimited Foundation)
- WLUG (Washtenaw Linux Users Group)
- WLUR (Washington and Lee University Radio)
- WLV (Web-LoiczView)
- WLVC (White Lightning Volleyball Club)
- WLVS (Welsh Low Vision Service)
- WLW (Willows-Glenn County Airport)
- WLWA (Wenham Lake Watershed Association)
- WLWE (World Literature Written in English)
- WLWF (World Living room Wrestling Federation)
- WLWG (Walker Lake Working Group)
- WLWK (Voice Of America Radio station, Bethany, Ohio)
- WLWL (Win, Loss, Win, Loss)
- WLWLWL (Win, Loss, Win, Loss, Win, Loss)
- WLWLWLWL (Win, Loss, Win, Loss, Win, Loss, Win, Loss)
- WLWO (W L W Overseas shortwave radio station, Bethany Ohio)
- WLWS (Voice Of America Radio Station, Bethany, Ohio)