| Date: | 17–23 September |
| Edition: | 5th |
| Surface: | Hard |
| Location: | İzmir, Turkey |
| Champs: |  Dmitry Tursunov |
| Champd: |  David Rice / Sean Thornley |
The 2012 Türk Telecom İzmir Cup was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in İzmir, Turkey between 17 and 23 September 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Tunisia | Malek Jaziri | 104 | 1 | |
| Michael Russell | 105 | 2 | ||
 Canada | Frank Dancevic | 130 | 3 | |
 Slovakia | Karol Beck | 134 | 4 | |
| Russian Federation | Dmitry Tursunov | 147 | 5 | |
| Russian Federation | Igor Kunitsyn | 151 | 6 | |
| Denis Kudla | 165 | 7 | ||
 Ukraine | Sergei Bubka | 174 | 8 |
The following players received wildcards into the singles main draw:
Haluk Akkoyun Tuna Altuna Durukan Durmus Efe YurtacanThe following players received a special exempt into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry into the singles main draw as a lucky loser:
See main article: 2012 Türk Telecom İzmir Cup – Singles.
Dmitry Tursunov def. Illya Marchenko, 7–6(7–4), 6–7(5–7), 6–3See main article: 2012 Türk Telecom İzmir Cup – Doubles.
David Rice / Sean Thornley def. 
Brydan Klein / Dane Propoggia, 7–6(10–8), 6–2
