Nils Fjästad
| Personal information | |
|---|---|
| Nationality | Swedish |
| Born | 26 February 1890 Stockholm, Sweden |
| Died | 13 July 1964 (aged 74) Stockholm, Sweden |
| Sport | |
| Sport | Athletics |
| Event | Pentathlon |
Nils Fjästad (26 February 1890 – 13 July 1964) was a Swedish athlete. He competed in the men's pentathlon at the 1912 Summer Olympics.