Marco Antonio Marescotti (29 April – 8 December 1681) was a Roman Catholic prelate who served as Bishop of Chiusi (1664âÂÂ1681).
Marco Antonio Marescotti was born in Siena, Italy and ordained a priest on 2 February 1664. On 11 February 1664, Alessandro Piccolomini was appointed during the papacy of Pope Alexander VII as Bishop of Chiusi. He served as Bishop of Chiusi until his death on 8 December 1681.