Eduardo Casey (April 20, 1847 – July 23, 1906), was an Argentine landowner of Irish descent.

[1] In 1880 he purchased 1,700 square miles (4,400 km2) of land in Santa Fe Province and founded there the present-day city of Venado Tuerto, named after a one-eyed deer that alerted early settlers to attacks by local Indians.

He also helped in the founding and funding of the Argentine town of Pigüé, Saavedra in 1884.

[2] He was born in Lobos, Province of Buenos Aires, the son of Lawrence Casey, born in Westmeath, and Mary O'Neill, of Wicklow.

[3] He was married to María Inés Gahan, daughter of John Gahan and Mary Devitt, belonging to a family of Irish Catholics.