Saint Leo of Montefeltro (c. 275–366) otherwise Leone of Montefeltro (Italian: San Leo di Montefeltro, San Leone di Montefeltro) was the first bishop of Montefeltro from 301. He is traditionally held to have been in origin a stonecutter from Dalmatia. He is venerated as a saint by the Roman Catholic church. His feast day is 1 August.
- "SAN LEONE (Sacerdote)". diocesi-sanmarino-montefeltro.it. Retrieved 6 May 2016.