Raceteams - alphabetical overview: W
- W&D Racing
- W&S Motorsport
- W.I.S.C. Racing
- W.R.C.
- W.R.C. / RP Motorsport
- WA Mattheis
- Walkenhorst Motorsport
- Walker Racing
- Walkinshaw Andretti United
- Walkinshaw Racing
- Wall Racing
- Wayne Taylor Racing
- Wayne Taylor Racing / Andretti
- WB Motorsport
- Weldsports
- Welter Racing
- Welter Racing / Salini
- Werks II Racing
- Werner Competicion
- Wessex Vehicles
- West Competition
- West Racing Team
- West Surrey Racing
- WestCoast Racing
- Westernesse Racing
- Westward Racing
- Whelen - Amaï
- Whitney Motorsports
- Wiechers Sport
- Wieth Racing
- Wil Mar Racing
- Williams
- Willy T. Ribbs Racing
- Wilson Team Racing
- WIN Autosport
- Win Motorsport
- WIN Motorsport
- Winners Circle Group