Juan Esteban Curuchet (born 4 February 1965 in Mar del Plata) is an Argentine road bicycle racer and track cyclist.

[2] He won the madison at the 1999 Pan American Games with his older brother, Gabriel Ovidio Curuchet.

He also won the madison at the 2003 Pan American Games and 2007 Pan American Games alongside Walter Pérez and the Cycling World Championships in 2004 (Men's Madison).

Curuchet holds an Argentine record of participating in six non-consecutive Olympic games.

In 2000 and 2010 he won the Platinum Konex Award as the best cyclist of the last decade in Argentina.