Pomponio Cecci (Pomponio Ceci de Lellis[1]) (died 1542) was an Italian Roman Catholic bishop and cardinal.
A native of Rome, Pomponio Cecci, he studied science, philosophy, and astronomy.[2] He was a canon of the cathedral chapter of the Archbasilica of St. John Lateran.
On 12 August 1538 he was elected Bishop of Orte e Civita Castellana. He was transferred to the Diocese of Nepi-Sutri on 24 November 1539. He also served as Vicar-General of Rome from 1540 to 1542.
Pope Paul III made him a cardinal priest in the consistory of 2 June 1542. He received the red hat and the titular church of San Ciriaco alle Terme Diocleziane on 12 June 1542.
He died in Rome on 4 August 1542. He is buried in the family chapel in the Archbasilica of St. John Lateran.