| Medal record | ||
|---|---|---|
| Sailing | ||
Representing  Great Britain
| ||
| Olympic Games | ||
 |
1920 Antwerp | 7 metre |
William Maddison (1882 – 10 June 1924) was a British sailor and Olympic champion. He competed at the 1920 Summer Olympics in Antwerp and won a gold medal in the 7 metre class aboard the Ancora.
References
- "William Maddison". Olympedia. Retrieved 30 August 2021.
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Profile: William Maddison". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 31 January 2009.
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