1899 in Argentina

Incumbents

 * President: Julio Argentino Roca

Governors

 * Buenos Aires Province: Bernardo de Irigoyen
 * Cordoba: Donaciano del Campillo
 * Mendoza Province: Jacinto Álvarez

Vice Governors

 * Buenos Aires Province: Alfredo Demarchi

Born

 * 23 July - Julio Irazusta, writer and politician (died 1982)
 * 24 August - Jorge Luis Borges, short-story writer, essayist, poet and translator (died 1986)
 * 16 November - Leonardo Castellani, priest, essayist, novelist, poet and theologian (died 1981)
 * 11 December - Julio de Caro, tango musician, conductor and composer (died 1980)