Martín López-Zubero Purcell (born April 23, 1969), also known as Martin Zubero, is a former competition swimmer and Olympicgold medalist. López-Zubero was born in the United States, swam in international competition for Spain, and holds dual Spanish-American citizenship.
López-Zubero attended The Bolles School in Jacksonville, and trained under coach Gregg Troy while swimming for the Bolles Bulldogs. His older brother and sister swam for the University of Florida in Gainesville, Florida, and he accepted an athletic scholarship to attended the university, where he swam for coach Randy Reese and coach Skip Foster's Florida Gators swimming and diving teams from 1988 to 1991. While swimming for the Gators, he won four NCAA championships—the 200-meter individual medley, the 400-meter medley relay, and twice in the 200-meter backstroke—and received fifteen All-American honors. After his college swimming career, López-Zubero trained under coach Ron Ballatore as a member of the Florida Aquatic Swim Team (FAST), and his older brother David served as his personal trainer and coach.