These are drivers who competed in American Championship car racing, sanctioned by the Contest Board of the American Automobile Association (AAA) before 1955, by the United States Auto Club (USAC) between 1956 and 1978, by Championship Auto Racing Teams (CART) from 1979 through 2003, and by Open-Wheel Racing Series Inc. - the sanctioning body for the Champ Car World Series (CCWS) - from 2004 until 2008.
- For drivers who competed in the Indy Racing League and the IndyCar Series, see Category:IndyCar Series drivers
- For Indy Lights drivers, see Category:Indy Lights drivers.
- For Atlantic Championship drivers, see Category:Atlantic Championship drivers.
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