Kamui Kobayashi (小林 可夢偉, Kobayashi Kamui?, born September 13, 1986 in Amagasaki, Hyogo, Japan) is a Japanese racing driver. He has competed in the GP2 Series, won the GP2 Asia Series, and made his Formula One debut with Toyota in the final two races of 2009 when he replaced Timo Glock after the German was injured in a crash during qualification for the Japanese Grand Prix. He has driven for Sauber since the 2010 season, but will leave the team after being replaced by Esteban Gutiérrez for 2013.

He was named after Kamuy, a divine being in Ainu mythology, and the letter of the name imitated the sound citing three Kanji from the sentence "Enabling great dreams"

Kobayashi was born in Amagasaki, near Kobe. His father owns a sushi restaurant. He began his career in motorsport in 1996 when he was nine years old, finishing third in his first season of karting in the SL Takarazuka Tournament Cadet Class. During the following seven years, Kobayashi took four karting titles, winning the Toyota SL All Japan Tournament Cadet Class series twice.

In 2004, he signed for Toyota's Driver Academy and soon began his career in open wheel racing. His next step was Formula Renault, entering the Asian, German, Italian and Dutch championships and taking two race victories in the Italian championship. Kobayashi continued in the Formula Renault class, entering the Italian and European championships and with six wins in both championships, he won both titles.

In 2006, Kobayashi entered the Formula 3 Euro Series with ASM Formule 3 alongside Paul di Resta, Giedo van der Garde and Sebastian Vettel. He took three podium positions in his debut season, coming eighth in the Drivers' Championship and first in the Rookie's Championship. Kobayashi also entered the Macau Grand Prix and the Masters of Formula 3, which are annual Formula Three events. Kobayashi started in 10th place and finished the race a place lower in 11th, while at the Macau Grand Prix, he started the race in pole position but finished in 19th place.

At the beginning of 2007, Kobayashi, with Kohei Hirate, was named as one of the Toyota Formula One team's test drivers. He stayed in the Euro Series for the upcoming season and had an impressive start, taking two podiums in the first four rounds, and at the tenth round in Magny-Cours for the Formula One French Grand Prix Formula Three support race Kobayashi took his first race victory in Formula Three. He finished fourth in the Drivers' Championship.

On 28 July 2011, it was announced that Kobayashi would remain with Sauber into the 2012 season, alongside team-mate Pérez.

Kobayashi started the season with sixth place at the Australian Grand Prix, and a retirement at the Malaysian Grand Prix, due to a problem with his car's brakes.

Kobayashi at the 2012 United States Grand PrixHe then started third at the Chinese Grand Prix behind the Mercedes of Nico Rosberg and Michael Schumacher. He dropped to tenth but managed to set the fastest lap. At the Spanish Grand Prix he finished fifth after overtaking Jenson Button and Nico Rosberg. Kobayashi finished in the points once in the next four races, finishing ninth in Canada. Kobayashi finished in a career-best fourth place at the German Grand Prix – having finished fifth on-the-road – as he was helped by a post-race penalty for second-placed Sebastian Vettel. After retiring late in the race at the Hungarian Grand Prix, Kobayashi qualified a career-best second for the Belgian Grand Prix but was caught in a first-corner accident along with four other drivers. Kobayashi was the only one of the five to continue in the race, and finished thirteenth.

Kobayashi took his maiden podium in Formula One with third place at the Japanese Grand Prix, after lasting through race-long pressure from Jenson Button. Kobayashi became the first Japanese driver to finish on a Formula One podium in Japan in 22 years, after Aguri Suzuki in the 1990 Japanese Grand Prix, and was the third Japanese driver to finish on a Formula One podium after Suzuki and Takuma Sato in the 2004 United States Grand Prix.