The IndyCar Rookie of the Year Award is presented to the first-year driver that has the best season in a IndyCar Series season. The following lists compiling all the winners of the Rookie of the Year Award in open wheel American Championship Car Racing from 1946 season to the present day. Before the creation of Championship Auto Racing Teams the prize is not officially awarded. So all of the AAA and USAC winners of the Rookie of the Year award is not officially recognized. The list of "Indy car", "Champ car" or "IndyCar" rookies under the following auspices: