César Omar Monasterio (born 28 November 1963) is an Argentine professional golfer.

Monasterio was born on 28 November 1963, in Tucumán.

He won the 2005 Abierto Telefonica Moviles de Guatemala on the Challenge Tour, and in 2006 captured his first European Tour title at the Aa St Omer Open, which was an official money event on both tours.

[1] 1Dual-ranking event with the Challenge Tour 1Co-sanctioned by the Tour de las Américas 2Dual-ranking event with the European Tour Challenge Tour playoff record (1–1) 1Co-sanctioned by the Challenge Tour Professional

This biographical article relating to Argentine golf is a stub.