Stefanos Sakellaridis (born 13 September 2004) is a Greek tennis player. Sakellaridis has a career high ATP singles ranking of world No. 220 achieved on 23 February 2026 and a career high ATP doubles ranking of No. 285 achieved on 18 December 2023.
Sakellaridis made his ATP main draw debut at the 2023 United Cup representing Greece, where he won his first ATP match ever against Belgian Zizou Bergs. As a result he moved 130 positions up into the top 700.
In March, Sakellaridis won his Maiden Challenger doubles title at the Crete Challenger partnering with Petros Tsitsipas. The pair defeated Ilia Simakin and Kelsey Stevenson in the final.
In February, Sakellaridis won his maiden Challenger title at the Delhi Open, defeating Oliver Crawford in the final. He reached a career high 220 in the ranking as a result.