Juan de Lezica y Torrezuri (1709–1784) was a Spanish nobleman, politician and merchant, who served as alcalde and regidor of Buenos Aires.

[1] He was born in Cortézubi, Vizcaya, Spain, the son of Juan de Lezica y Gaçeaga and María de Torrezuri, belonging to a noble family of Basque roots.

[2] He was married to Elena de Alquiza y Peñaranda, born in La Paz daughter of Felipe de Alquiza and Juana María de Peñaranda.

[3] Among other duties of public official, Juan de Lezica y Torrezuri was the commander of "La Atrevida", a militia of the Cuerpo de Blandengues de la Frontera de Buenos Aires, in charge of punitive expeditions against infidel Indians.

[4] He also served as mayor of 1st vote of Buenos Aires and of La Paz.