Frithjof Olstad
| Olympic medal record | ||
|---|---|---|
| Men's rowing | ||
| 1912 Stockholm | Coxed four, inriggers | |
Karl Frithjof Olstad (23 November 1890 – 16 December 1956) was a Norwegian rower who competed in the 1912 Summer Olympics.
He was the strokeman of the Norwegian boat that won the bronze medal in the coxed four, inriggers.