Tokachi International Speedway (十勝インターナショナルスピードウェイ) is a motor racing circuit in Takikubo, Sarabetsu, Hokkaido, Japan.

The circuit has two main configurations, the Grand Prix Course (グランプリコース), 5.091 km (3.163 mi), and the Clubman Course (クラブマンコース), 3.400 km (2.113 mi).

Starting in 1994, there was a 24-hour N1 class race in July each year until 2008. In 2007, a Toyota Supra took the first win for a hybrid vehicle.

In 2004, a regular All Japan Grand Touring Car Championship race was held at the Clubman Course. And also a regular Formula Nippon race in 1995 and 1996 were held at the Grand Prix Course. In 2018 the D1 Grand Prix series held a regular race at the circuit.

The track is also used by the Renault Eurocup, and for karting.

• 
  The Clubman Course layout.
• 
  The Junior Course layout.

The unofficial all-time track record set during a race weekend is 1:39.625, set by Toranosuke Takagi in a Reynard 96D, during the qualifying for the 1996 Tokachi Formula Nippon round. The official lap record for the current circuit layout is 1:41.100, set by Michael Krumm during the same race. As of July 2004, the fastest official race lap records at the Tokachi International Speedway are listed as:

Category	Time	Driver	Vehicle	Event
Grand Prix Course: 5.092 km (1993–present)
Formula Nippon	1:41.100	Michael Krumm	Reynard 95D	1996 Tokachi Formula Nippon round
F3000	2:07.010	Toranosuke Takagi	Reynard 94D	1995 Tokachi Japanese F3000 round
Group A	2:08.042	Kazuyoshi Hoshino	Nissan Skyline GT-R BNR32	1993 Tokachi JTCC round
Clubman Course: 3.400 km (1993–present)
JGTC (GT500)	1:15.517	Érik Comas	Nissan Fairlady Z	2004 Tokachi JGTC round
Formula 3	1:15.920	Masemi Kageyama	TOM'S 034F	1994 Tokachi Japanese F3 round
JGTC (GT300)	1:21.392	Hiroki Yoshimoto	Vemac RD320R	2004 Tokachi JGTC round

• Tokachi International Speedway Official site (Japanese)