
The Japanese Motorcycle Grand Prix (日本グランプリ) is a motorcycling event that is part of the Grand Prix motorcycle racing season.

The 1987 Japanese motorcycle Grand Prix was the first round of the 1987 Grand Prix motorcycle racing season. It took place on the weekend of 27–29 March 1987 at the Suzuka Circuit.

The 1988 Japanese motorcycle Grand Prix was the first round of the 1988 Grand Prix motorcycle racing season. It took place on the weekend of 25–27 March 1988 at the Suzuka Circuit.

The 1989 Japanese motorcycle Grand Prix was the first round of the 1989 Grand Prix motorcycle racing season. It took place on the weekend of 24 to 26 March 1989 at the Suzuka Circuit.

The 1990 Japanese motorcycle Grand Prix was the first round of the 1990 Grand Prix motorcycle racing season. It took place on the weekend of 23–25 March 1990 at the Suzuka Circuit.

The 1991 Japanese motorcycle Grand Prix was the first round of the 1991 Grand Prix motorcycle racing season. It took place on the weekend of 22–24 March 1991 at the Suzuka Circuit.

The 1992 Japanese motorcycle Grand Prix was the first round of the 1992 Grand Prix motorcycle racing season. It took place on the weekend of 27–29 March 1992 at the Suzuka Circuit.

The 1993 Japanese motorcycle Grand Prix was the third round of the 1993 Grand Prix motorcycle racing season. It took place on 18 April 1993, at the Suzuka Circuit.

The 1994 Japanese motorcycle Grand Prix was the third round of the 1994 Grand Prix motorcycle racing season. It took place on 24 April 1994 at the Suzuka Circuit.

The 1995 Japanese motorcycle Grand Prix was the third round of the 1995 Grand Prix motorcycle racing season. It took place on 23 April 1995 at the Suzuka Circuit.

The 1996 Japanese motorcycle Grand Prix was the third round of the 1996 Grand Prix motorcycle racing season. It took place on 21 April 1996 at the Suzuka Circuit.

The 1997 Japanese motorcycle Grand Prix was the second round of the 1997 Grand Prix motorcycle racing season. It took place on 20 April 1997 at the Suzuka Circuit.

The 1998 Japanese motorcycle Grand Prix was the first round of the 1998 Grand Prix motorcycle racing season. It took place on 5 April 1998 at the Suzuka Circuit. The rookie Max Biaggi surprised everyone by winning his first ever GP500 race.

The 1999 Japanese motorcycle Grand Prix was the second round of the 1999 Grand Prix motorcycle racing season. It took place on 25 April 1999 at the Twin Ring Motegi.

The 2000 Japanese motorcycle Grand Prix was the third round of the 2000 Grand Prix motorcycle racing season. It took place on 9 April 2000 at the Suzuka Circuit.

The 2001 Japanese motorcycle Grand Prix was the first round of the 2001 Grand Prix motorcycle racing season. It took place on the weekend of 6–8 April 2001 at the Suzuka Circuit.

The 2002 Japanese motorcycle Grand Prix was the first round of the 2002 MotoGP Championship. It took place on the weekend of 5–7 April 2002 at Suzuka. The race was historic in that it was the first race of the MotoGP class, with engine capacities raised to 990cc from 500cc.

The 2003 Japanese Motorcycle Grand Prix was the first round of the 2003 MotoGP Championship. It took place on the weekend of 4–6 April 2003 at Suzuka. The meeting was overshadowed by the death of Daijiro Kato in the MotoGP race, after he crashed at 130R and hit the barrier at high speed in the ensuing Casio Triangle. Since the accident, Suzuka has failed to reappear on the calendar, with the Japanese Grand Prix moving to Twin Ring Motegi, the previous home of the Pacific Grand Prix.

The 2004 Japanese motorcycle Grand Prix was the twelfth round of the 2004 MotoGP Championship. It took place on the weekend of 17–19 September 2004 at the Twin Ring Motegi circuit.

The 2005 Japanese motorcycle Grand Prix was the twelfth round of the 2005 MotoGP Championship. It took place on the weekend of 16–18 September 2005 at the Twin Ring Motegi citcuit. In the 250cc Class Jorge Lorenzo was handed a 1 race ban for riding in a irresponsible manner.

The 2006 Japanese motorcycle Grand Prix was the fifteenth race of the 2006 Motorcycle Grand Prix season. It took place on the weekend of 22 –24 September 2006 at the Twin Ring Motegi circuit.

The 2007 Japanese motorcycle Grand Prix was the fifteenth round of the 2007 MotoGP championship. It was held on 21–23 September at Twin Ring Motegi, Motegi, Tochigi. Loris Capirossi won the MotoGP race, his last career victory, as well the last victory for a Ducati rider other than Casey Stoner until the 2016 Austrian motorcycle Grand Prix. Even more significant for the Ducati team was that teammate Stoner secured his and Ducati's first MotoGP title with a sixth place.

The 2008 Japanese motorcycle Grand Prix was the fifteenth round of the 2008 MotoGP Championship. It took place on the weekend of 26–28 September 2008 at the Twin Ring Motegi, located in Motegi, Japan.

The 2009 Japanese motorcycle Grand Prix was the second round of the 2009 Grand Prix motorcycle racing season. It took place on the weekend of 24–26 April 2009 at the Twin Ring Motegi, located in Motegi, Japan. The MotoGP race was the 700th premier class race in the history of Grand Prix motorcycle racing. Jorge Lorenzo won the MotoGP race ahead of teammate Valentino Rossi to take the overall lead in the world championship.

The 2010 Japanese motorcycle Grand Prix was the fourteenth round of the 2010 Grand Prix motorcycle racing season. It took place on the weekend of 1–3 October 2010 at the Twin Ring Motegi, located in Motegi, Japan. It was originally planned to take place on the weekend of April 23–25, but due to disrupted air travel caused by the 2010 eruption of Eyjafjallajökull it was postponed as it was difficult for team personnel and equipment to get there.

The 2011 Japanese motorcycle Grand Prix was the fifteenth round of the 2011 Grand Prix motorcycle racing season. It took place on the weekend of 29 September–2 October 2011 at the Twin Ring Motegi, located in Motegi, Japan. The Grand Prix, originally scheduled for 24 April, was moved to 2 October due to the effects of the Tōhoku earthquake and the Fukushima I nuclear accidents.

The 2012 Japanese motorcycle Grand Prix was the fifteenth round of the 2012 Grand Prix motorcycle racing season. It took place on the weekend of 12–14 October 2012 at the Twin Ring Motegi, located in Motegi, Japan.

The 2013 Japanese motorcycle Grand Prix was the seventeen round of the 2013 MotoGP season. It was held at the Twin Ring Motegi in Motegi on 27 October 2013. Jorge Lorenzo won the MotoGP race to gain Yamaha its 200th victory in the 500cc/MotoGP class. Pol Espargaró clinched the Moto2 world title after title contenders Scott Redding and Esteve Rabat crashed out in the race.

The 2014 Japanese motorcycle Grand Prix was the fifteenth round of the 2014 Grand Prix motorcycle racing season. It was held at the Twin Ring Motegi in Motegi on 12 October 2014.

The 2015 Japanese motorcycle Grand Prix was the fifteenth round of the 2015 Grand Prix motorcycle racing season, consisting of the MotoGP, Moto2 and Moto3 classes. It was held at the Twin Ring Motegi in Motegi on 11 October 2015.

The 2016 Japanese motorcycle Grand Prix was the fifteenth round of the 2016 MotoGP season. It was held at the Twin Ring Motegi in Motegi on 16 October 2016.

The 2017 Japanese motorcycle Grand Prix was the fifteenth round of the 2017 MotoGP season. It was held at the Twin Ring Motegi in Motegi on October 15, 2017. Andrea Dovizioso won his fifth race of the season after a last lap battle with championship leader Marc Márquez, shrinking his lead to 11 points with three rounds left to race. Danilo Petrucci finished in third place over 10 seconds behind the leaders, while Team Suzuki teammates Andrea Iannone and Álex Rins finished fourth and fifth respectively.

The 2018 Japanese motorcycle Grand Prix was the sixteenth round of the 2018 MotoGP season. It was held at the Twin Ring Motegi in Motegi on 21 October 2018. Marc Márquez clinched his third consecutive MotoGP title after Andrea Dovizioso crashed during the penultimate lap. This is his fifth championship in the premier class and seventh overall.

The 2019 Japanese motorcycle Grand Prix was the sixteenth round of the 2019 MotoGP season. It was held at the Twin Ring Motegi in Motegi on 20 October 2019.

The 2020 FIM MotoGP World Championship was the premier class of the 72nd F.I.M. Road Racing World Championship season.

The 2021 FIM MotoGP World Championship was the premier class of the 73rd F.I.M. Road Racing World Championship season. Fabio Quartararo won his first world title, with five race wins ahead of securing the title in the third last race of the season. Quartararo became the first ever Frenchman to win the premier class title, which was also the first title for a non-Spanish rider since Australian Casey Stoner in 2011. The season also saw Francesco Bagnaia and Jorge Martín win their first premier class races. In the overall standings, Bagnaia secured second place and reigning champion Joan Mir secured third place, while Martín was named rookie of the year. Ducati secured the constructors' championship for the second consecutive season and the teams' championship for the first time since 2007. In total, eight different riders won Grands Prix during the season.