William Tyler
William Tyler may refer to:
- William Seymour Tyler, historian
- William Tyler (rugby), rugby player active c. 1907–08
- William R. Tyler, American diplomat
- William Tyler (musician), American musician
- William Tyler (bishop), American Roman Catholic bishop of Hartford
- William Tyler (architect), English sculptor, landscaper, and architect, and a founding member of the Royal Academy
- William Tyler (footballer), English footballer
- William Tyler (baseball), American Negro leagues baseball player
- William Tyler (MP) for Northumberland (UK Parliament constituency)