| William Glyn | |
| Fullname: | William Edward Glyn |
| Birth Date: | 1859 |
| Birth Place: | Wycliffe, County Durham, England[1] |
| Death Date: | 23 March 1939 (aged 80)[2] |
| Death Place: | New York City, United States |
| Turnedpro: | 1881 (amateur tour) |
| Retired: | 1887 |
| Usopenresult: | F (1881) |
| Usopendoublesresult: | QF (1882) |
William Edward Glyn (1859 – March 23, 1939) was a United States-based British male tennis player.
William Glyn from the Staten Island Cricket and B.B. Club was a finalist in the first U.S. National Championships held in 1881 at the Newport Lawn Tennis Club in Newport, Rhode Island. En route to the final, he defeated Mr. Rives, Richard Field Conover, W. Gammell Jr., and T. A. Shaw. In the final he met and was defeated by Richard D. Sears.
Book: Shannon , Bill . Bill Shannon
. Bill Shannon . Official Encyclopedia of Tennis . . 1981 . 19.