This article lists the people who have been fatally injured in American Championship car racing during testing, practice, qualifying, or races since 1916, categorized into drivers, riding mechanics, and non-participants. The lists show "IndyCar" or "Champ Car" fatalities that occurred in events making up the National Championship, which has been held by the following sanctioning bodies: * American Automobile Association (1916, 1920–1941, 1946–1955) * United States Auto Club (1956–1995) * Championship Auto Racing Teams (1979–2007) * Indy Racing League (since 1996)