Raceteams - alphabetical overview: J
- J&J Racing
- J. Santos Competição
- J.A Motorsport
- J.A.G. Racing Team
- J.L. West Motorsports
- J3 Racing
- JAB Racing
- Jack Lewis Enterprises
- Jacob & Co Racing Team
- Jacobs Motorsports
- Jaguar Dealers Team
- Jaguar Junior Team
- Jaguar Racing
- James Mann
- James Rosenberg Racing
- James Watt Automotive
- Jan Brunstedt Motorsport
- Janiec Racing Team
- Janík Motorsport
- JAS Motorsport
- Jason Hore Racing
- Jason Watt Racing
- Jay Howard MDD
- JB Motorsport
- JB Racing
- JBR Motorsport & Engineering
- JBS Motorsports
- JC Group Racing Team
- JCI Developments
- JCS Motorsport Academy
- JD Motorsport
- JDC Motorsports
- JDC-Miller MotorSports
- JDL Racing
- JDX Racing
- Jeffrey Mark Motorsport
- Jenichen Motorsport
- Jens Petersen Racing
- Jensen Motorsport
- Jenson Brickley Racing
- Jenson Team Rocket RJN
- Jenzer Motorsport
- JET Motorsports
- Jetalliance Racing
- Jetstream Motorsport
- JF Racing
- JH Racing
- JHR Developments
- Jim Gainer
- Jim Hall Racing
- Jim Matthews Racing
- JLOC
- JLowe Racing
- JM Motorsport
- JMB Racing
- JMF Motorsports
- JML Team
- JMP Racing
- JMS Racing
- JMW Motorsport
- Jo Zeller Racing
- Joe Gibbs Racing
- Joe Tandy Racing
- Johansson Motorsport
- Johansson-Matthews Racing
- John Annis Racing
- John Boothman Motorsport
- John Carter Racing
- John English Racing
- John Graham
- John Village Automotive
- John Walko Racing
- John's Racing Team
- Johnson
- Johor Motorsport JMR
- Jola Competition
- Jones Racing
- Jono Grant
- Joos Sportwagentechnik
- Jordan GP
- Jordan Racing
- Jörg Otto Racing
- Jörg van Ommen Autosport
- Jose Luis Checa
- Josef Kaufmann Racing
- JP Motorsport
- JP Racing
- JPS Porsche Racing Team
- JPT Motorsports
- Jr III Racing
- JR Motorsport
- JR Motorsports
- JSB Competition
- JT59 Racing Team
- JTG Daugherty Racing
- Juncos Hollinger Racing
- Juncos Racing
- Junior Team
- Juniper Racing
- Jürgen Alzen Motorsport
- Just Parts Magazine
- Juta Racing
- JVG Racing
- JvO Racing