Aristotelis Thanos (born 7 April 2001) is a Greek tennis player. Thanos has a career high ATP singles ranking of No. 433 achieved on 20 October 2025. He also has a career high ATP doubles ranking of No. 665 achieved on 4 April 2022.
Thanos made his ATP main draw debut at the 2022 ATP Cup as one of the five members of the Greek team. He also won an ITF title (M15 Kursumljiska Banja) on 11 August 2024.