The 2017 Gerry Weber Open was a men's tennis tournament played on outdoor grass courts. It was the 25th edition of the tournament and part of the ATP World Tour 500 series of the 2017 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 19 June and 25 June 2017. First-seeded Roger Federer won his ninth singles title at the event.
<sub>*per team</sub>
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw: