Frank Heckl (born c. 1950) is an American former competition swimmer, seven-time Pan American Games medalist, and former world record-holder in two relay events.

At the 1971 Pan American Games in Cali, Colombia, Heckl won a remarkable seven medals, six of them gold and one silver.

As Trojan swimmer, he was a member of seven NCAA championship relay teams.

[3] Heckl subsequently graduated from USC with his bachelor's and medical degrees, and has served as a team doctor for the U.S. national team, including the 1984 Olympics.

As of 2015, he works in New Mexico as an orthopaedic surgeon specializing in sports medicine and arthroscopy.