Arnaldo Rivera (Castiglione Falletto, 13 December 1919 - Castiglione Falletto, 10 January 1987) was an Italian teacher, entrepreneur and partisan.
For almost forty years he was the mayor and the primary school teacher of Castiglione Falletto, so 1958 he founded the Cantina Terre del Barolo, one of the oldest and largest cooperative wineries in Piedmont still active.