Bernard Duprat (born Bayonne, 17 July 1943) is a former French rugby union player.
Duprat played for Aviron Bayonnais, from 1964/65 to 1977/78.
He had 15 caps for France, from 1965 to 1972, scoring 9 tries, 31 points on aggregate.
He played at the Five Nations Championship in 1966, 1967, 1968 and 1972, being a member of the winning side at the 1968 Five Nations Championship, with a Grand Slam.
This biographical article relating to French rugby union is a stub.