| Medal record | ||
|---|---|---|
Representing  Norway
| ||
| Men's rowing | ||
| Olympic Games | ||
 |
1948 London | Eight |
Halfdan Gran Olsen (7 October 1910 – 16 January 1971) was a Norwegian competition rower and Olympic medalist. He received a bronze medal in men's eight at the 1948 Summer Olympics, as a member of the Norwegian team.[1]