Ernesto "Estong" Ballesteros (born January 28, 1973 in Manila, Metro Manila, Philippines) is a professional basketball player in the Philippine Basketball Association who currently plays for the Welcoat Dragons. He was drafted 4th overall by Shell in 1997.
Ballesteros played for several teams during his earlier career. He played for Shell
and for the Barangay Ginebra Kings
. He was a free agent in the 2005-06 PBA season
and the 2006-07 PBA season
but he was signed by Welcoat
in the 2007-08 PBA Philippine Cup
in a two year contract.