Dimosthenis 'Dimos' Michalentzakis is a Greek Paralympic swimmer who competes in S9 and S8 classification events.

In 2014, he joined the national men's swimming team disabled athletes.

At 2014 IPC Swimming European Championship in Eindhoven, he finished 4th in the 200m individual medley S9 race and 5th in the 100m butterfly S9, just 16 years old.

At the 2017 World Para Swimming Championships in Mexico City, he won the gold medal in the 100m butterfly S9 race,[5] while at 2018 World Para Swimming European Championships in Dublin he won two gold medals (100m butterfly S8, 200m individual medley S8).

[6] In 2018, he also competed in the men's 100 metre freestyle S10 event at the 2018 Mediterranean Games held in Tarragona, Spain.