Vasco Calonaci (25 March 1927 – 21 May 1998) was an Italian politician of the Italian Communist Party. He served as president of the Province of Siena from 1975 to 1979 and as a member of the Chamber of Deputies from 1979 to 1987, representing the Siena–Arezzo–Grosseto constituency.
He founded the Historical Archive of the Sienese Workers' Movement (ASMOS) in 1984 and served as its president until his death in 1998.