Odysseus Meladinis (, born 5 April 1990) is a Greek swimmer. He competed in the men's 50 metre freestyle event and the men's 4 × 100 metre freestyle relay event at the 2016 Summer Olympics. He finished 33rd in the heats for the men's 50 m freestyle competition and did not qualify for the semifinals. The Greek men's 4 × 100 metre freestyle relay team finished 10th in the heats and did not qualify for the final.