Tadahiko Taira (born November 12, 1956) is a Japanese former Grand Prix motorcycle road racer.

[1] Born in Minamisōma, he won three consecutive All Japan 500cc championships in 1983, 1984 and 1985.

[2] Taira began his Grand Prix career in 1984 with Yamaha.

[1] In 1990, he teamed with Eddie Lawson to win the Suzuka 8 Hours endurance race.

[3] Points system from 1969 to 1987: Points system from 1988 to 1992: (key) (Races in bold indicate pole position; races in italics indicate fastest lap)