| Olympic medal record | ||
|---|---|---|
| Men's Sailing | ||
| Gold | 1908 London | 12 metre class |
John Buchanan (1 January 1884 – 25 November 1943) was a British sailor who competed in the 1908 Summer Olympics.
He was a crew member of the British boat Hera, which won the Gold medal in the 12 metre class.