| Iaaf: | BUL |
| Fedname: | Bulgarian Athletic Federation |
| Year: | 2011 |
| Games: | World Championships in Athletics |
| Location: | Daegu |
| Competitors: | 7 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Previous: | 2009 |
| Next: | 2013 |
The Bulgarian team at the 2011 World Championships in Athletics held in Daegu, South Korea included seven athletes led by sprinter Ivet Lalova.
| Athlete | Event | Preliminaries | Heats | Semifinals | Final | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | |||
| Ivet Lalova | 100 metres | 11.10 Q | 1 | 11.23 Q | 6 | 11.27 | 7 | |||
| Inna Eftimova | 100 metres | 11.36 | 23 | align=center style="border-right:double" colspan=6 | Not advance | |||||
| Ivet Lalova | 200 metres | 22.62 SB | align=center style="border-right:double" | 2 | 23.03 | align=center style="border-right:double" | 13 | Did not advance | ||
| Vania Stambolova | 400 m hurdles | 55.29 Q | 8 | 54.72 Q | 3 | 54.23 | 6 | |||
| Andriyana Banova | Triple jump | 13.66m | 26 | Did not advance | ||||||
| Venelina Veneva-Mateeva | High jump | 1.89 | align=center style="border-right:double" | 21 | Did not advance | |||||
| Radoslava Mavrodieva | Shot put | 15.76 m | 25 | align=center style="border-right:double" colspan=2 | Not advance | |||||