Dimitris Alexakis is a Greek chess grandmaster. He took bronze at the FIDE World Junior Rapid Championship in October 2023, and won the Kasparov Cup earlier that year with the NTUA Le Roi team.

His Grandmaster norms came at the Korentinis Memorial in August 2024, the Wood Green Invitational in March 2025 and the Cesme International Open that June, with the title awarded in 2025.