| Iaaf: | POR |
| Fedname: | Federação Portuguesa de Atletismo |
| Year: | 2015 |
| Games: | World Championships in Athletics |
| Location: | Beijing |
| Competitors: | 16 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 1 |
| Rank: | 32 |
| Previous: | 2013 |
| Next: | 2017 |
Portugal competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015.
The following competitors from Portugal won medals at the Championships
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| style=text-align:left | Yazaldes Nascimento | style=text-align:left | 100 metres | 10.29 | 36 | did not advance | |
| style=text-align:left | Hélio Gomes | style=text-align:left | 1500 metres | 3:46.32 | 38 | ||
| style=text-align:left | João Vieira | style=text-align:left rowspan=2 | 20 kilometres walk | 1:25:49 | 36 | ||
| style=text-align:left | Sérgio Vieira | DNF | |||||
| style=text-align:left | Pedro Isidro | style=text-align:left | 50 kilometres walk | 3:55.44 PB | 21 | ||
| Athlete | Event | Qualification | Final | |||||
|---|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | |||||
| style=text-align:left | Nelson Évora | style=text-align:left | Triple jump | 17.01 | 5 Q | 17.52 SB | ||
| style=text-align:left | Tsanko Arnaudov | style=text-align:left | Shot put | 18.85 | 26 | did not advance | ||
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| style=text-align:left | Ana Dulce Félix | style=text-align:left rowspan=2 | 10,000 metres | 32:26.07 | 19 | ||
| style=text-align:left | Sara Moreira | 32:06.14 | 12 | ||||
| style=text-align:left | Filomena Costa | style=text-align:left | Marathon | 2:31.40 | 12 | ||
| style=text-align:left | Vera Santos | style=text-align:left rowspan=3 | 20 kilometres walk | 1:34.01 | 21 | ||
| style=text-align:left | Ana Cabecinha | 1:29.29 | 4 | ||||
| style=text-align:left | Inês Henriques | 1:34.47 | 23 | ||||
| Athlete | Event | Qualification | Final | |||
|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | |||
| style=text-align:left | Patrícia Mamona | style=text-align:left rowspan=2 | Triple jump | 13.74 | 16 | did not advance |
| style=text-align:left | Susana Costa | NM | ||||
| style=text-align:left | Irina Rodrigues | style=text-align:left | Discus throw | 52.82 | 31 | |