| Abbreviation | Definition |
|---|---|
| WH | William Hull |
| WHG | Grand Master William H. Graham |
| WIII | King William III of England |
| WILT | Wilt Chamberlain |
| WILTTHESTILT | Wilt Chamberlain |
| WIV | King William IV of England |
| WJ | William Jewell |
| WJA | William James Austin |
| WJB | Walter J. Burien |
| WJC | William J. Canfield II |
| WJC | William Jefferson Clinton |
| WJF | William J. Flannery, Jr. |
| WJM | Wild Jack Monroe |
| WJM | William J. Mileski, M. D. |
| WJM | William Jonathan Mayo |
| WJP | Willie James Peterson |
| WJR | Dr. William J. Rice, chiropractic |
| WKK | Will Keith Kellogg |
| WKL | Warren K. Leffler, photographer |
| WKW | William Kenneth Wolfrum |