Francesco Alidosi (1455 – 24 May 1511) was an Italian cardinal and condottiero. He accompanied Giuliano della Rovere to France in 1494, and continued in favor when Della Rovere was elected pope, becoming Pope Julius II. Alidosi was elected as bishop of Mileto in 1504, and then transferred to the see of Pavia on 26 March 1505. He occupied the seat until his death in 1511.
Born at Castel del Rio, he was the third son of Giovanni Alidosi, lord of Castel del Rio. He went to France with Cardinal Giuliano della Rovere, the future Pope Julius II, in 1494. When Della Rovere was elected pope, he became his secretary and main collaborator, and was appointed papal chamberlain, then treasurer.