| | sar | | wound |
| | sota | | war |
| | SYL | | with |
| | ULV | | wolf |
| | URI | | we |
| | VAT | | wadding |
| | vin | | wine |
| | W.E | | week end |
| | W.E.F. | | With Effect From |
| | W.E.F. | | World Economic Forum |
| | W.G. | | Working girl |
| | W.G.U.M.C.D. | | what goes up must come down |
| | W.I.P | | Work In Progress |
| | W.I.S.P. | | Wireless Internet Service Provider |
| | W.P.T.H. | | Weight Proportionate To Height |
| | W.W.I.D. | | What would I do |
| | W.Y.L. | | why you little |
| | w/b | | welcome back |
| | w/b | | write back |
| | W2K | | windows 2000 |
| | W2LB | | Wisdom to Live By |
| | w4mm | | white gold 4 millimeters |
| | w4mm | | woman for military men |
| | w4mm | | woman for multiple men |
| | WAAS | | wide area application system |
| | WAAS | | Wide Area Augmentation System |
| | WAB | | what a bastard |
| | WAB | | What A Bummer |
| | WAB | | windows address book |
| | WACC | | Weighted Average Cost Of Capital |
|