Ergi Kırkın (born 27 January 1999) is a Turkish tennis player. Kırkın has a career high ATP singles ranking of World No. 270 achieved on 25 July 2022. He has won 9 ITF singles titles. He also has a career high ATP doubles ranking of World No. 330 achieved on 3 October 2022. Kırkın made his ATP main draw debut at the 2018 Antalya Open in the doubles draw partnering Koray Kırcı.