Mario Sica (born December 4, 1936) is an Italian retired diplomat and served as the International Commissioner of the Italian Scout Federation.
He was born in Rome.
Sica edited the Italian editions of the works of Robert Baden-Powell and wrote, among other things, the History of Scouting in Italy.
Sica joined Scouting in Florence in 1947, and was head of a Scout unit and Scout group in Florence between 1956 and 1960.
He collaborated on translating international works, first for Associazione Scouts Cattolici Italiani and later for its successor, Associazione Guide e Scouts Cattolici Italiani.