Ugolino Martelli (died 1523) was a Roman Catholic prelate who served as Bishop of Narni (1517âÂÂ1523) and Bishop of Lecce (1511âÂÂ1517).
On 9 Apr 1511, Ugolino Martelli was appointed during the papacy of Pope Julius II as Bishop of Lecce. On 18 May 1517, he was appointed during the papacy of Pope Leo X as Bishop of Narni. He served as Bishop of Narni until his death in 1523.