Ivan Šapina (born 17 November 1999) is a Croatian taekwondo practitioner. He won one of the bronze medals in the men's middleweight event at the 2019 World Taekwondo Championships held in Manchester, United Kingdom. In 2021, he won one of the bronze medals in the men's 87 kg event at the European Taekwondo Championships held in Sofia, Bulgaria. He represented Croatia at the 2020 Summer Olympics held in Tokyo, Japan. He competed in the men's +80 kg event where he was eliminated in his second match by Sun Hongyi of China.