| Mehmet Siddik Istemi | |
| Birth Date: | 30 May 1989 |
| Birth Place: | Diyarbakir, Turkey |
| Height: | 1.76m (05.77feet) |
| Position: | Midfielder |
| Currentclub: | Etimesgut Belediyespor |
| Clubnumber: | 21 |
| Years1: | 2009–2011 |
| Caps1: | 16 |
| Goals1: | 0 |
| Years2: | 2011–2014 |
| Caps2: | 76 |
| Goals2: | 1 |
| Clubs2: | 1461 Trabzon |
| Years3: | 2014–2015 |
| Caps3: | 27 |
| Goals3: | 1 |
| Clubs3: | Karşıyaka |
| Years4: | 2015–2016 |
| Caps4: | 8 |
| Goals4: | 0 |
| Clubs4: | Şanlıurfaspor |
| Years5: | 2016–2019 |
| Caps5: | 109 |
| Goals5: | 16 |
| Clubs5: | Amed |
| Years6: | 2019–2020 |
| Caps6: | 27 |
| Goals6: | 3 |
| Clubs6: | Vanspor FK |
| Years7: | 2020–2021 |
| Caps7: | 16 |
| Goals7: | 5 |
| Clubs7: | Pendikspor |
| Years8: | 2021–2022 |
| Caps8: | 27 |
| Goals8: | 3 |
| Clubs8: | Amed |
| Years9: | 2022– |
| Caps9: | 30 |
| Goals9: | 10 |
| Clubs9: | Etimesgut Belediyespor |
| Club-Update: | 5 November 2022 |
Mehmet Siddik Istemi (born 20 April 1991) is a Turkish footballer who plays as a midfielder for Etimesgut Belediyespor.
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