| Games: | Summer Youth Olympics |
| Games Link: | 2018 Summer Youth Olympics |
| Year: | 2018 |
| Noc: | SLE |
| Nocname: | National Olympic Committee of Sierra Leone |
| Competitors: | 4 |
| Sports: | 3 |
| Location: | Buenos Aires, Argentina |
| Start Date: | 6 |
| End Date: | 18 October 2018 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Sierra Leone participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.[1]
The following is the list of number of competitors participating at the Games per sport/discipline.
| width=140 | Sport | width=55 | Men | width=55 | Women | width=55 | Total |
|---|---|---|---|---|---|---|---|
| Athletics | 1 | 0 | 1 | ||||
| Beach volleyball | 0 | 2 | 2 | ||||
| Swimming | 1 | 0 | 1 | ||||
| Total | 2 | 2 | 4 |
See main article: Athletics at the 2018 Summer Youth Olympics.
See main article: Beach volleyball at the 2018 Summer Youth Olympics.
See main article: Swimming at the 2018 Summer Youth Olympics.