Michał Florian Rzewuski (died 1687) was a Polish-Lithuanian nobleman and politician, Treasurer of the Crown Court. He moved to Lviv in 1663 and worked there as a writer (1670–1676) and royal colonel from 1674. He was Treasurer of the Crown Court from 1684, he was also Starosta of Chełm. A brave knight, he participated in almost all the battles of John II Casimir, contributed to the victory of Chocim, further distinguishing himself in the Turkish wars for Jan III Sobieski.