Ryuji Kumita (born 25 January 1967 in Yokohama), better known by his pseudonym "Dragon", is a racing driver and team owner from Japan.

[1] A late starter to motorsport at 46, he mostly competes in Japanese junior formulae, such as the Super Formula Lights and Formula 4 Japan, despite being the CEO of his B-Max Racing Team.

[2] ‡ Team standings.

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) (key) (Races in bold indicate pole position; races in italics indicate fastest lap)