| Date: | 18–24 September |
| Edition: | 15th |
| Category: | World Tour 250 |
| Draw: | 28S / 16D |
| Prize Money: | €482,060 |
| Surface: | Hard / indoors |
| Location: | Metz, France |
| Champs: | Peter Gojowczyk[1] |
| Champd: |  Julien Benneteau / Édouard Roger-Vasselin[2] |
The 2017 Moselle Open was a tennis tournament held in Metz, France and played on indoor hard courts. It was the 15th edition of the Moselle Open, and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It was held at the Arènes de Metz from 18 September to 24 September 2017. Unseeded Peter Gojowczyk, who entered the main draw as a qualifier, won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | ||||
 Belgium | David Goffin | 12 | 2 | |
| France | Lucas Pouille | 22 | 3 | |
 Luxembourg | Gilles Müller | 23 | 4 | |
| Mischa Zverev | 27 | 5 | ||
| France | Richard Gasquet | 30 | 6 | |
| France | Benoît Paire | 41 | 7 | |
| France | Gilles Simon | 43 | 8 |
The following players received wild cards into the singles main draw:
The following players received entry from the singles qualifying draw:
The following players received entry as lucky losers:
Pablo Carreño Busta →replaced by Kenny de Schepper
Dudi Sela →replaced by Marcel Granollers| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| France | France | |||||
 Mexico | Santiago González |  Serbia | Nenad Zimonjić | 77 | 2 | |
| France | Julien Benneteau | France | Édouard Roger-Vasselin | 87 | 3 | |
| Spain | Marcel Granollers | Spain | David Marrero | 87 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2017 Moselle Open – Singles.
Benoît Paire, 7–5, 6–2.See main article: 2017 Moselle Open – Doubles.
Julien Benneteau / Édouard Roger-Vasselin defeated Wesley Koolhof / 
Artem Sitak, 7–5, 6–3.