Niels Blach
| Olympic medal record | ||
|---|---|---|
| Men's field hockey | ||
| Silver | 1920 Antwerp | Team competition |
Niels Svend Blach (December 6, 1893 – December 10, 1979) was a Danish field hockey player who competed in the 1920 Summer Olympics.
He was a member of the Danish field hockey team, which won the silver medal.