The 2002 Delphi Indy 300 was an Indy Racing League (IRL) motor race held before approximately 50,000 spectators on September 8, 2002, at Chicagoland Speedway in Joliet, Illinois. It was the 14th of 15 scheduled rounds of the 2002 Indy Racing League and the second annual running of the event. Panther Racing driver Sam Hornish Jr. won the 200-lap race from pole position with the closest margin of victory in the IRL of 0.0024 seconds over Al Unser Jr. of Kelley Racing. Third place was Hemelgarn Racing's Buddy Lazier.