Eugenio Lerdo de Tejada (c.1720 – c.1800) was a Spanish merchant and politician, who held various public positions in Buenos Aires during the colonial period, including like mayor and regidor of the city.

[1] He was born in Nájera, La Rioja, Spain, and was married in Buenos Aires to María Josefa Bustillo de Zeballos, daughter of Ignacio de Bustillos y Zeballos and Ana Domíguez Rabanal, belonging to a distinguished family.

[2] Eugenio Lerdo de Tejada was appointed as procurator of Buenos Aires in 1762,[3] and served for two terms as mayor of first vote of Buenos Aires, elected in 1761 and 1764.

[4] He also served as Corregidor of Oruro during the viceroyalty of José Manso de Velasco.

[5]