Srdan Kocic played on the Bosnia and Herzegovina team in the 2015 FIBA Europe Under-16 Championship, and also played in the 2016 FIBA Under-17 World Championship
Kocic was a member of the Bosnia and Herzegovina U16 team that won the gold medal at the 2015 FIBA Europe Under-16 Championship. He also played at the 2016 FIBA Under-17 World Championship. 
