Ortún Velázquez de Velasco (c. 1500, Cuéllar, Castile – 4 November 1584, Pamplona, New Kingdom of Granada) was a Spanish conquistador.
He is known as the co-founder and first governor of Pamplona in the Norte de Santander department of Colombia, which borders Venezuela.
From 1549 he participated in the conquest of the Chitarero people and the foundation of Pamplona under Pedro de Ursúa.
[1][5] Ortún Velázquez de Velasco was born around 1500 in the town of Cuéllar, Segovia Province, Castile and León; the only son of Gutierre Velázquez de Cuéllar, lord of Villavaquerín, and María Enríquez de Acuña.
[2] María Velázquez de Velasco y Montalvo married conquistador Juan Maldonado Ordóñez.