Germany participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Medals awarded to participants of mixed-NOC teams are represented in italics. These medals are not counted towards the individual NOC medal tally.
| width="22%" align="left" valign="top" |
Germany qualified one archer based on its performance at the 2017 World Archery Youth Championships. Later, Germany qualified a female archer based on its performance at the 2018 European Youth Championships.
Germany qualified two players based on the Badminton Junior World Rankings.
Germany qualified a girls' team based on the U18 3x3 National Federation Ranking.
Germany qualified three boats based on its performance at the 2018 World Qualification Event.
Germany qualified a mixed BMX racing team based on its ranking in the Youth Olympic Games BMX Junior Nation Rankings. They also qualified two athletes in BMX freestyle based on its performance at the 2018 Urban Cycling World Championship.
Germany qualified two athletes based on its performance at the 2018 Cadet World Championship.
Germany qualified two gymnasts based on its performance at the 2018 European Junior Championship.
Germany qualified one rhythmic gymnast based on its performance at the European qualification event.
Germany qualified one roller skater based on its performance at the 2018 Roller Speed Skating World Championship.
Germany qualified two boats based on its performance at the 2017 World Junior Rowing Championships.
<small>Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; R=Repechage</small>
Germany qualified one boat based on its performance at the 2018 IKA Twin Tip Racing World Championships. They also qualified one boat based on its performance at the 2018 Nacra 15 European Qualifiers.
Germany qualified two sport shooters based on its performance at the 2017 European Championships. Germany later qualified two more sport shooter based on its performance at the 2018 European Championships.
Germany qualified one sport climber based on its performance at the 2017 World Youth Sport Climbing Championships.
Germany qualified two table tennis players based on its performance at the Road to Buenos Aires (North America) series.
<small>Qualification Legend: Q=Main Bracket (medal); qB=Consolation Bracket (non-medal)</small>
Germany qualified two athletes based on its performance at the 2018 European Youth Olympic Games Qualifier.