Ergi Kırkın (born 27 January 1999) is a Turkish tennis player.
Kırkın has a career high ATP singles ranking of World No. 251 achieved on 6 May 2024. He has won 9 ITF singles titles. He also has a career high ATP doubles ranking of World No. 300 achieved on 26 February 2024.
Kırkın made his ATP main draw debut at the 2018 Antalya Open in the doubles draw partnering Koray Kırcı.