Prospero Marefoschi (24 September 1653 – 24 February 1732) was a cardinal of the Roman Catholic Church.

[1] He was born in Montesanto, now part of Potenza Picena, in the region of Marche, Italy.

He was made a cardinal by Pope Benedict XIII on 29 December 1724.

[2][3] Cardinal Mario Marefoschi was his nephew.

This article about an Italian Catholic cardinal is a stub.