Billy Grantham
| Personal information | |
|---|---|
| Nationality | British (English) |
| Born | 19 October 1880 Wilmslow, Cheshire, England |
| Died | 12 November 1942 (aged 62) Wilmslow, Cheshire, England |
| Sport | |
| Sport | Athletics |
| Event | Middle-distance running/steeplechase |
| Club | Salford Harriers |
William Grantham (19 October 1880 – 12 November 1942) was a British middle-distance runner who competed at the 1908 Summer Olympics.