Tito "Noy" Castillo (born August 21, 1974) is a retired Filipino-American professional basketball player who played for the Shell Velocity and Purefoods Tender Juicy Giants in the Philippine Basketball Association.
He would have a decent career with the Zoom Masters for two years as starting point guard.
Before the start of the 2000 PBA Season, he was acquired by Purefoods TJ Hotdogs where his career would reach its peak.
In 2006, he became a key weapon for the newly named Purefoods Chunkee Giants in their tile win in the 2006 PBA Philippine Cup where he hit clutch 3-pointers against Red Bull.
In 2000, he was a member of the Philippine National Team that competed at the FIBA Asia All-Star Extravaganza along former teammates Rodney Santos and Andy Seigle.