| Juan Vélaz de Medrano y Mauleon | |
| Baron and Lord of Learza, Iguzquiza, Agos, Aguinano, Orendain, Zabala and Arroniz | |
| More: | no |
| Successor: | Don Jeronimo Vélaz de Medrano y Piñeiro |
| Suc-Type: | Heir apparent |
| Spouse: | Maria de Piñeiro |
| Issue: | Jeronimo Vélaz de Medrano y Piñeiro |
| Noble Family: | House of Medrano |
| Father: | Juan Vélaz de Medrano y Echauz |
| Mother: | Ana de Mauleon y Navarra |
| Birth Name: | Juan Vélaz de Medrano y Mauleon y Navarra |
| Birth Date: | 16th century |
| Birth Place: | Igúzquiza, Navarre |
| Website: | | module = } |