Cem Ilkel (born 21 August 1995) is a Turkish professional tennis player.

[2] Ilkel has won one ATP Challenger title in singles and has a singles final record of 5 wins and 20 losses, and a doubles final record of 13 wins and 11 losses.

İlkel made his Grand Slam debut at the 2017 US Open as a qualifier.

In eight attempts at gaining entry through qualifying, Ilkel did not reach the main draw of a Grand Slam tournament.

İlkel became the third Turkish player to reach an ATP quarterfinal at the 2023 Sofia Open after Remzi Aydin at 1968 Hobart and Marsel Ilhan at 2015 Dubai.