| Tilen Žitnik | |
| Birth Date: | 1991 7, df=yes |
| Careerprizemoney: | $6,990 |
| Singlesrecord: | 0–2 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 1490 (6 January 2014) |
| Currentsinglesranking: | No. 1676 (31 July 2017) |
| Doublesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 1033 (24 October 2011) |
| Updated: | 31 July 2017 |
Tilen Žitnik (born 2 July 1991) is a Slovenian tennis player.
Žitnik has a career high ATP singles ranking of 1490 achieved on 6 January 2014. He also has a career high ATP doubles ranking of 1033 achieved on 24 October 2011.
Žitnik represents Slovenia at the Davis Cup where he has a W/L record of 0–2.