| Date: | 21–27 September |
| Edition: | 13th |
| Surface: | Hard |
| Draw: | 28S / 16D |
| Location: | Metz, France |
| Champs: |  Jo-Wilfried Tsonga |
| Champd: |  Łukasz Kubot / Édouard Roger-Vasselin |
The 2015 Moselle Open was a men's tennis tournament held in Metz, France and played on indoor hard courts. It was the 13th edition of the Moselle Open, and part of the ATP World Tour 250 series of the 2015 ATP World Tour. It was held at the Arènes de Metz from 21 to 27 September 2015. Third-seeded Jo-Wilfried Tsonga won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Stan Wawrinka | 4 | 1 | ||
| France | Gilles Simon | 10 | 2 | |
| France | Jo-Wilfried Tsonga | 17 | 3 | |
 Spain | Guillermo García López | 31 | 4 | |
| Philipp Kohlschreiber | 34 | 5 | ||
 Slovakia | Martin Kližan | 36 | 6 | |
| France | Adrian Mannarino | 39 | 7 | |
| Spain | Fernando Verdasco | 43 | 8 |
The following players received wild cards into the singles main draw:
The following players received entry from the singles qualifying draw:
Julien Benneteau →replaced by Aleksandr Nedovyesov| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| France | Pierre-Hugues Herbert | France | Nicolas Mahut | 21 | 1 | |
| Poland | Łukasz Kubot | France | Édouard Roger-Vasselin | 52 | 2 | |
| Raven Klaasen | Rajeev Ram | 72 | 3 | |||
| Eric Butorac | Scott Lipsky | 86 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2015 Moselle Open – Singles.
Jo-Wilfried Tsonga defeated Gilles Simon, 7–6(7–5), 1–6, 6–2See main article: 2015 Moselle Open – Doubles.
Łukasz Kubot / Édouard Roger-Vasselin defeated Pierre-Hugues Herbert / Nicolas Mahut, 2–6, 6–3, [10–7]