| Event: | Ju-jitsu |
| Year: | 2017 |
| Venue: | GEM Sports Complex |
| Dates: | 28–29 July 2017 |
| Competitors: | 128 |
| Nations: | 41 |
| Previous: | 2013 |
| Next: | 2022 |
The Ju-jitsu competition at the World Games 2017 took place from July 28 to July 29, in Wrocław in Poland, at the GEM Sports Complex.
128 competitors, from 41 nations, participated in the tournament.
| Men | Nicolaus Bichler Sebastian Vosta | Ruben Assmann Marnix Willem Bunnik | Ben Jos Cloostermans Bjarne Lardon | |
| Women | Mirnesa Bećirović Mirneta Bećirović | Sara Besal Patricija Delač | Blanca Birn Annalena Sturm | |
| Mixed | Sara Paganini Michele Vallierei | Julia Paszkiewicz Johannes Tourbeslis | Charis Jessy Gravensteyn Ian Rudy Lodens |
| −62 kg | ||||
| −69 kg | ||||
| −77 kg | ||||
| −85 kg | ||||
| −94 kg | ||||
| +94 kg |
| −62 kg | ||||
| −69 kg | ||||
| −77 kg | ||||
| −85 kg | ||||
| −94 kg | ||||
| +94 kg | ||||
| Open |
| −55 kg | ||||
| −62 kg | ||||
| −70 kg |
| −55 kg | ||||
| Open |
| National team competition | valign=top | Roman Apolonov Theresa Attenberger Andreas Stefan Knebl Malte Meinken Carina Neupert Julia Paszkiewicz Johannes Tourbeslis Tim Weidenbecher | valign=top | Denis Belov Ilia Borok Abdulbari Guseinov Pavel Korzhavykh Olga Medvedeva Zainutdin Zainukov | valign=top | Magdalena Giec Maciej Kozak Jędrzej Loska Emilia Maćkowiak Tomasz Szewczak Marta Walotek |