William J. Heath Antonio (born August 15, 1975) is a Filipino-American former professional basketball player.
He last played for the GlobalPort Batang Pier in the Philippine Basketball Association.
A good three-point shooter, he was drafted 5th overall by the San Miguel Beermen in 1998.
After working as an assistant coach for the Tigers, for 3 years, he returned to active play during the 2010 PBA Fiesta Conference.
This biographical article relating to a Filipino basketball figure is a stub.