| Iaaf: | SVK |
| Competitors: | 6[1] |
| Competitors Men: | 2 |
| Competitors Women: | 4 |
| Games: | World Championships in Athletics |
| Location: | Doha |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Year: | 2019 |
Slovakia competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September–6 October 2019.
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| style=text-align:left | Gabriela Gajanová | style=text-align:left | 800 m | 2:04.45 | 36 | colspan="4" | |
| style=text-align:left | Stanislava Škvarková | style=text-align:left | 100 m hurdles | 13.44 | 31 | colspan="4" | |
| style=text-align:left | Mária Czaková | style=text-align:left | 50 km walk | ||||