William Jarvis
William Jarvis may refer to:
- William H. Jarvis, member of the Canadian House of Commons
- William T. Jarvis, health educator and skeptic
- William Jarvis (Upper Canada official), militia officer and official in Upper Canada
- William Botsford Jarvis, Upper Canada political figure associated with the Rosedale and Yorkville neighbourhoods of Toronto
- William Jarvis (merchant), American diplomat and sheep rancher
- William Jarvis (Australian politician), member of the Tasmanian Parliament
- William Jarvis (rower), Australian rower at the 1924 Olympics
- William Dummer Jarvis, first commissioned officer in the North-West Mounted Police
- William Esmond Jarvis, former Canadian High Commissioner to New Zealand
- Will Jarvis (footballer), English footballer