Julie Zetlin is a veteran elite rhythmic gymnast. She was the 2010 U.S. Senior National Champion and was awarded a wild-card berth to compete at the 2012 Summer Games in London, England.

Zetlin began rhythmic gymnastics instruction at the age of four. Her mother, Zsuzsi, is a former Hungarian national champion in the sport. Zetlin has been a member of the U.S. junior and senior national rhythmic gymnastics teams since 2004. She trains with longtime coach Olga Kutuzova at Capital Rhythmics in Darnestown, Maryland.