Ryan Christopher Hunter-Reay (born December 17, 1980) is a professional American racing driver best known as a winner of both the Indianapolis 500 (2014) and the IndyCar Series championship in 2012.

In the third race of the season, the Time Warner Cable Road Runner 250 at the Milwaukee Mile, Hunter-Reay would qualify on the pole position and lead for all 250 laps to get his second and final Champ Car win.

In the race Hunter-Reay started second and made contact with former teammate Jimmy Vasser on the first lap and dropped the two to the rear of the field.

Hunter-Reay's best start of the season was a 5th at the Detroit Indy Grand Prix at Belle Isle State Park, where he finished 18th (last) due to clutch problems after 24 laps.

[5] Hunter-Reay's best finish in the remaining races of 2008 was a 6th at the Detroit Indy Grand Prix at Belle Isle State Park.

At the end of the year American Ethanol withdrew their sponsorship due to financial problems and left Hunter-Reay without a team.

Hunter-Reay was then announced as the replacement for Vítor Meira, who was injured while racing at Indianapolis, in the #14 ABC Supply Company Dallara IR07-Ilmor-Indy V8 HI7R for A. J. Foyt Enterprises.

At the following race of the season, the Honda Indy Toronto at Exhibition Place Hunter-Reay started 8th and finished 3rd to get his first podium of the year.

Hunter-Reay inherited the lead when several other drivers who had led the race, such as Dario Franchitti and Takuma Sato, were involved in crashes.

At the season-ending MAVTV 500 IndyCar World Championships at Auto Club Speedway Hunter-Reay and Power both had to receive 10-grid spot penalties due to both of them exceeding their five-engine change limit.

For 2013 Hunter-Reay returned with Andretti Autosport to drive the #1 DHL/Sun Drop Dallara DW12-Ilmor-Chevrolet Indy V6 with additional sponsorship from Circle K, Dr. Pepper and Pelotonia.

At the season-ending MAVTV 500 IndyCar World Championships at Auto Club Speedway Hunter-Reay started 11th and led for 45 laps.

The crash would involve Hunter-Reay, Hinchcliffe, Newgarden, Hélio Castroneves, Jack Hawksworth, Kanaan and Takuma Sato.

Hunter-Reay then won the following race, the Honda Indy Grand Prix of Alabama at Barber Motorsports Park after starting 3rd and leading for a race-high 40 laps.

At the following race, the Firestone 600 at Texas Motor Speedway, Hunter-Reay started 12th and finished 19th due to an engine fire after 136 laps.

Hunter-Reay would finish 2nd to Scott Dixon after Rahal had to make a late race pit stop for fuel from the lead while Mike Conway, who was passed by Dixon and later Hunter-Reay immediately after Rahal pulled into the pit lane, ran out of fuel on the final lap of the race in the final turn of the track.

At the season-ending MAVTV 500 IndyCar World Championships at Auto Club Speedway Hunter-Reay started 9th and led for 26 laps.

On August 18, 2021, Hunter Reay announced he would be leaving Andretti Autosport and would be taking a sabbatical from full time IndyCar competition, though he would return for the Indianapolis 500 and other select events with Dreyer & Reinbold Racing.

Team owner Ed Carpenter announced that Hunter-Reay would race the No.20 Bitnile Chevrolet full time for the remainder of the 2023 IndyCar Series.

Hunter-Reay began to compete in the American Le Mans Series in 2002 at the Mobil 1 12 Hours of Sebring for JMB Racing in the #31 Aprimatic/Giesse Group Ferrari 360 Modena-Ferrari 3.6 L V8 with Peter Argetsinger and Andrea Montermini in the GT class.

In 2011 Hunter-Reay returned with Level 5 Motorsports to drive the #055 Microsoft Office 2010/Microsoft Windows Azure/Alpina Watches Lola B11/40-HPD HR28TT 2.8 L Turbo V6 with Scott Tucker and Luis Díaz in the LMP2 class.

For 2012 Hunter-Reay drove at the Mobil 1 12 Hours of Sebring for Level 5 Motorsports in the #95 Siemens/Alpina Watches/Ohiya Casino Resort HPD ARX-03b-Honda HR28TT 2.8 L Turbo V6 with Scott Tucker and Luis Díaz in the P2 class.

In 2013 Hunter-Reay drove for Level 5 Motorsports at the Mobil 1 12 Hours of Sebring in the #552 Siemens/Alpina Watches/Ohiya Casino Resort HPD ARX-03b-Honda HR28TT 2.8 L Turbo V6 with Scott Tucker and Simon Pagenaud.

At the season-opening Rolex 24 at Daytona Hunter-Reay co-drove with Jim Matthews, Johnny O'Connell and Marc Goossens in the DP class.

Hunter-Reay returned to the series for the season-ending GAINSCO Grand Prix of Miami at Homestead-Miami Speedway in the #95 Edata Solutions/Ecomm Link Riley Mk.

The trio of drivers also dove in a second car for Supercar Life Racing and Level 5 Motorsports, the #55 Edata Solutions/Ecomm Link Riley Mk.

At the season-ending Rolex 24 at Daytona Hunter-Reay co-drove with Christophe Bouchut, Lucas Luhr, Scott Tucker and Richard Westbrook.

Hunter-Reay then drove at the second race of the season, the Grand Prix of Miami at Homestead-Miami Speedway, in the same car, with additional sponsorship from US Bank, Spirit Jets, Drive Digital Medi and Supercar Life.

For 2011 Hunter-Reay only competed in the Rolex 24 of Daytona for Level 5 Motorsports in the #95 Microsoft/E-Data Solutions/Selling Source/US Bank Riley Mk XXII-BMW 5.0L V8 in the DP class with Scott Tucker, Richard Westbrook and Raphael Matos.

In 2013 Hunter-Reay only competed in the Rolex 24 of Daytona for VelocityWW in the DP class in the #10 Velocity Worldwide Dallara Corvette DP-Chevrolet 5.0L V8 with Max Angelelli and Jordan Taylor.