The term IndyCar has multiple uses:
- Indycar (sometimes spelled "Indy car") is a generic name used in the United States for a type of open wheel race car. Originally, the cars were generally referred to as "Championship cars", but the genre's fundamental link to the Indianapolis 500 derived the new name. The FIA has the opinion that the only race cars that can be officially referred to as "Indy cars" are those which race in the Indianapolis 500. Template:Citation-needed
- The IndyCar World Series is the name adopted by governing body Championship Auto Racing Teams (CART) from 1980-1997 for the year-long schedule of the premiere open wheel series in the United States. The name "IndyCar" was trademarked by the Indianapolis Motor Speedway in 1992. As a result, the name "IndyCar" was licensed to CART from 1992-1997. After a legal battle with Indianapolis Motor Speedway owner and Indy Racing League founder Tony George, the series became known as the CART FedEx Championship Series, and later under it's current name as the Champ Car World Series.
- The IndyCar Series is the premiere level of open wheel racing in the Indy Racing League, and is currently the principle context in which the term IndyCar has been used since 2003.