Paul Ryan C. Gregorio (born April 7, 1972) is a Filipino professional basketball coach for the Gilas Pilipinas. He was head coach of the Meralco Bolts in the Philippine Basketball Association from 2010 to 2014. Gregorio began his PBA coaching career with the Purefoods TJ Giants in 2002 on an acting capacity and won his first PBA Championship on the same year at the age of 29. He was also a former player ('92, '93, '94) and coach (2001) of the U.P. Fighting Maroons in the UAAP, before coaching in the pro league. He is a three-time PBA Champion Coach, a 4-time PBA All-Star Coach and a three-time PBA Coach of the Year awardee. He and Chot Reyes are the only distinguished PBA coaches who won at least 3 COY accolades. He is also the first and only coach in the league history to win a championship as an interim coach in 2002. Gregorio is a graduate of the University of the Philippines with the degree of Bachelor of Arts in Communication, Major in Film and Audio-Visual Communication (Batch 1994).