| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Martino Antonio Tomacelli | |
| Bishop of Cassano all'Jonio | |
| Church: | Catholic Church |
| Diocese: | Diocese of Cassano all'Jonio |
| Term: | 1491–1519 |
| Predecessor: | Nicola Tomacelli |
| Successor: | Domenico Giacobazzi |
| Death Date: | 1519 |
| Death Place: | Bishop of Cassano all'Jonio, Italy |
Martino Antonio Tomacelli (died 1519) was a Roman Catholic prelate who served as Bishop of Cassano all'Jonio (1491–1519).[1]
On 31 Jan 1491, Martino Antonio Tomacelli was appointed during the papacy of Pope Innocent VIII as Bishop of Cassano all'Jonio. He served as Bishop of Cassano all'Jonio until his death in 1519.