Marcus of Viterbo (1304–1369) was an Italian Franciscan. He became Minister General of his order in 1359[1], a papal legate, and in 1366 a Cardinal.
He died of plague. A monument to him is in the Chiesa di S. Francesco in Viterbo.
| Preceded by Guillaume Farinier |
Minister General of the Order of Friars Minor 1359–1366 |
Succeeded by Thomas of Frignano |