| Fernão Dias | |
| Birth Date: | 1608 |
| Birth Place: | São Paulo |
| Death Date: | 1681 |
| Occupation: | Explorer |
| Known For: | Exploration of the interior of South America. |
| Signature: | Fernão Dias Pais Leme Assinatura.jpg |
Fernão Dias Pais Leme (1608–1681) was a Portuguese bandeirante. He was known as the Emerald Hunter (Portuguese: o Caçador de Esmeraldas) and was one of the most prominent bandeirantes together with António Raposo Tavares.
He is the great-great-grandfather of the Saint Frei Galvão.
The Casa Fernão Dias, run by the Sumidouro State Park, is in the Quinta do Sumidouro district of Pedro Leopoldo, Minas Gerais.It is listed by the State Institute of Historic and Artistic Heritage (IEPHA) as a cultural heritage monument.The exhibits tell the history of Fernão Dias, who spent several years in the region with his followers in search of gold and precious stones.