Ñuño Fernández Lobo (c.1590–1650s) was a Portuguese nobleman, who served as conquistador of Tucumán.

[1] He obtained land grants in Buenos Aires, where he settled with his family.

[2] Born in Olivença, he was the son of Afonso Lobo and Isabel Mendes Britos, belonging to a noble Lusitanian family.

The family had arrived from Tucuman, being escorted in the trip by mercenaries hired by the same Ñuño Fernández Lobo.

[5] He received land grants, and ordered to build a farm in the area Río de Las Conchas (Buenos Aires Province).