| 2017 German Open | |
|---|---|
| Date | 24–30 July |
| Edition | 111th |
| Category | ATP World Tour 500 |
| Draw | 32S / 16D |
| Prize money | €1,499,940 |
| Surface | Clay / outdoor |
| Location | Hamburg, Germany |
| Venue | Am Rothenbaum |
| Champions | |
| Singles | |
 Leonardo Mayer | |
| Doubles | |
 Ivan Dodig / Mate Pavić | |
The 2017 German Open (also known as the 2017 German Tennis Championships) was a men's tennis tournament played on outdoor red clay courts. It was the 111th edition of the German Open Tennis Championships and part of the ATP World Tour 500 series of the 2017 ATP World Tour. It took place at the Am Rothenbaum in Hamburg, Germany, from 24 July until 30 July 2017. Unseeded Leonardo Mayer, who entered the main draw as a lucky loser, won the singles draw.