- RE Amemiya.png|thumb|249px|right]]
RE Amemiya Car Co Ltd is an automotive tuning company from Chiba, Chiba Prefecture, Japan founded by Isami Amemiya. Amemiya has made a name for himself tuning rotary engines since 1974 and has become a pioneer in tuning rotary-powered Mazdas. Thirty years later, first on the street and later in the Super GT series, Amemiya has left its mark in the tuning and motorsports worlds for rotaries.
In addition to competing in tuner events, in 1995 his company RE Amemiya (RE for Rotary Engine) began its participation as the lone rotary entry in the Super GT series with a 3-rotor 20B-powered Mazda RX-7 in the GT300 class. This car was featured in Polyphony Digital's Gran Turismo 4.
In 2006 the team was rewarded when they captured the class championship. The company also have competed in the D1 Grand Prix drifting series since 2004. For their second year of competition (2005), their driver Masao Suenaga, scored a sole victory at Fuji Speedway, but finished as runner up overall in the Grand Prix, losing by just one point to Yasuyuki Kazama.
The RE Amemiya tuner car is often feature on the Japanese show, Best Motoring. Best Motoring often shows Keiichi Tsuchiya and other professional battling Touge in a cat and mouse fashion. The RE Amemiya RX-7 has been crowned the touge monster and often battles with the Powerhouse Amuse s2000, the J's Racing s2000 and the MCR R34 GT-R.