Branko Zorko (born 1 July 1967) is a Croatian retired middle distance runner who specialized in the 1500 metres.

[2] Less than a year into training, he posted a time of 8:30 for 3000 meters and won a competitive high school race called Kros Sportskih Novosti.

[2] The rest of his training took place on forest trails, where Zorko alleged that bystanders would ask him why he was running and tell him to "take a hoe and dig out some corn".

[2] At his first major international competition, Zorko finished sixth in the men's 3000 metres race at the 1989 IAAF World Indoor Championships.

A year later he won the bronze medal for the men's 1500 metres at the 1993 IAAF World Indoor Championships, finishing only 0.39 seconds behind winner Marcus O'Sullivan.