Muzio Cinquini (died 1627) was a Roman Catholic prelate who served as Bishop of Avellino e Frigento (1609âÂÂ1627).
On 10 June 1609, Muzio Cinquini was appointed during the papacy of Pope Paul V as Bishop of Avellino e Frigento. He served as Bishop of Avellino e Frigento until his resignation on 15 December 1625. He died on 10 April 1627.
While bishop, he was the principal co-consecrator of Bernardino Piccoli, Titular Archbishop of Nicaea and Coadjutor Bishop of Strongoli.