| Mert Naci Türker | |
| Birth Date: | 1998 8, df=yes[1] |
| Plays: | Right-handed (two-handed backhand) |
| Careerprizemoney: | $19,262 |
| Singlesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 1076 (25 June 2018) |
| Doublesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 1 ITF |
| Highestdoublesranking: | No. 645 (13 August 2018) |
| Currentdoublesranking: | No. 825 (4 January 2021) |
| Updated: | 8 January 2021 |
Mert Naci Türker (born 16 August 1998) is a Turkish tennis player.
Türker has a career high ATP singles ranking of 1076 achieved on 25 June 2018. He also has a career high ATP doubles ranking of 645 achieved on 13 August 2018. Türker has won 1 ITF doubles title on the ITF Men's World Tennis Tour.
Türker made his main drew debut at the 2021 Antalya Open in the doubles draw, receiving a wildcard alongside Umut Akkoyun.