- William Tarantino
- William Tindall
- William W. Cooper
- William W. Hogan
- William Wang
- William Wood
- Willie van der Merwe
- Willis Zhang
- Witsanu Arntong
- WM (formerly Waste Management)
- Wolfgang Jank
- Wolfgang Ketter
- Wolfram Wiesemann
- Wonseok Oh
- Woo Chang Kim
- Woo-Je Kim
- Woonam Hwang
- Woonghee Tim Huh
- Wotao Yin
- Wout Dullaertb
