| Iaaf: | SUI |
| Fedname: | Swiss Athletics Federation |
| Year: | 2015 |
| Games: | World Championships in Athletics |
| Location: | Beijing |
| Competitors: | 15 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Previous: | 2013 |
| Next: | 2017 |
Switzerland competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015.
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | |||
| style=text-align:left | Kariem Hussein | style=text-align:left | 400 metres hurdles | 49.08 | 3 Q | 48.59 | 3 | colspan=2 |
| style=text-align:left | Tadesse Abraham | style=text-align:left | Marathon | 2:19:25 | 19 | |||
| Athlete | Event | Heat | Semifinal | Final | |||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||||
| style=text-align:left rowspan=2 | Mujinga Kambundji | style=text-align:left | 100 metres | 11.17 NR | 2 Q | 11.07 NR | 5 | colspan=2 | |
| style=text-align:left | 200 metres | 22.92 | 2 Q | 22.64 NR | 4 | colspan=2 | |||
| style=text-align:left | Selina Büchel | style=text-align:left | 800 metres | 2:00.25 | 2 Q | 1:58.63 | 3 | colspan=2 | |
| style=text-align:left | Noemi Zbären | style=text-align:left | 100 metres hurdles | 12.93 | 3 Q | 12.81 | 3 q | 12.95 | 6 |
| style=text-align:left | Petra Fontanive | style=text-align:left rowspan=2 | 400 metres hurdles | 56.40 | 3 Q | 56.35 | 6 | colspan=2 | |
| style=text-align:left | Léa Sprunger | 55.71 | 4 Q | 55.83 | 6 | colspan=2 | |||
| style=text-align:left | Sarah Atcho Marisa Lavanchy Mujinga Kambundji Léa Sprunger | style=text-align:left | 4 × 100 metres relay | 43.38 | 6 | colspan=2 | |||
| style=text-align:left | Laura Polli | style=text-align:left rowspan=2 | 20 kilometres walk | 1:36:26 SB | 33 | ||||
| style=text-align:left | Marie Polli | 1:39:49 | 40 | ||||||
| Athlete | Event | Qualification | Final | |||
|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | |||
| style=text-align:left | Nicole Büchler | style=text-align:left rowspan=2 | Pole vault | 4.45 | 17 | colspan=2 |
| style=text-align:left | Angelica Moser | 4.15 | 25 | |||
| Athlete | Event | Final | Rank | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Caroline Agnou | Result | 13.93 | 1.68 | 14.49 PB | 25.14 PB | 5.97 | 43.15 | 2:23.33 SB | 5866 | 22 |
| Points | 988 | 830 | 827 | 874 | 840 | 728 | 779 | |||
| Valérie Reggel | Result | 13.94 | 1.62 | 13.32 | 24.83 | NM | 42.57 | DNS | DNF | |
| Points | 987 | 759 | 749 | 902 | 0 | 717 |