Juan Esteban Curuchet (born 4 February 1965 in Mar del Plata) is a road bicycle racer and track cyclist from Argentina.
Curuchet represented Argentina at the Summer Olympics in 1984, 1988, 1996, 2000, 2004, and 2008.He won the madison at the 1999 Pan American Games with his older brother, Gabriel Ovidio Curuchet.