General Luis J. Dellepiane (26 April 1865 – 14 August 1941), born in Buenos Aires, was a civil engineer, militarist and politician of Argentina.

With the title of Lieutenant General he participated in the politics linked to the Radical Civic Union (UCR) following Hipólito Yrigoyen.

In 1928, together with Yrigoyen, he served as minister of war and commanded the second division of the Argentine army stationed in Campo de Mayo.

He had a career in university, becoming vice-dean of the school of sciences, physics and nature, where he taught students from 1909.

He also was a member of the superior council of the national University of Buenos Aires.