| Games: | Summer Youth Olympics |
| Games Link: | 2018 Summer Youth Olympics |
| Year: | 2018 |
| Noc: | CRO |
| Nocname: | Croatian Olympic Committee |
| Website: | http://www.hoo.hr/ |
| Competitors: | 36 |
| Sports: | 10 |
| Location: | Buenos Aires, Argentina |
| Start Date: | 6 |
| End Date: | 18 October 2018 |
| Gold: | 0 |
| Silver: | 1 |
| Bronze: | 2 |
| Rank: | 71 |
| Appearances: | auto |
Croatia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
See main article: Athletics at the 2018 Summer Youth Olympics.
See main article: Beach handball at the 2018 Summer Youth Olympics.
See main article: Judo at the 2018 Summer Youth Olympics.
See main article: Rowing at the 2018 Summer Youth Olympics.
Croatia qualified two boats based on its performance at the 2017 World Junior Rowing Championships.[1]
See main article: Sailing at the 2018 Summer Youth Olympics.
Croatia qualified one boat based on its performance at the 2018 IKA Twin Tip Racing Youth World Championship.[2] Croatia also qualified one boat based on its performance at the Techno 293+ European Qualifier.[3] [4]
See main article: Shooting at the 2018 Summer Youth Olympics.
See main article: Swimming at the 2018 Summer Youth Olympics.
See main article: Table tennis at the 2018 Summer Youth Olympics.
Croatia qualified one table tennis player based on its performance at the Road to Buenos Aires (Asia) series.[5]
See main article: Taekwondo at the 2018 Summer Youth Olympics.
| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Final | ||
|---|---|---|---|---|---|---|---|
| Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank | |||
| Lena Stojković | Girls' 44 kg | W 17-3 | L 13-16 | did not advance | |||
| Lucija Domić | Girls' 63 kg | W 35-8 | L 7-13 | did not advance | |||
| Josip Teskera | Boys' 48 kg | L 7-14 | did not advance | ||||
See main article: Weightlifting at the 2018 Summer Youth Olympics.