Kennet may refer to:
- places
- Kennet (district), a former local government district in Wiltshire, England
- Kennet, Clackmannanshire, Scotland
- Kennet (HM Prison), a prison in Liverpool, England
- Kennet School, a school in Thatcham, England
- River Kennet, a tributary of the River Thames in England
- Kennet River, South Island, New Zealand
- Kennet and Avon Canal, a canal in southern England
- Kennet Island, a housing development in Reading, Berkshire, England
- people
- Baron Kennet, a title in the Peerage of the United Kingdom
- D. Mark Kennet, American economist
- Josh Kennet, English footballer
- Miriam Kennet, economist
- other
- Kennet Partners, a private equity firm based in London, England
- Kennet was one of the GWR 3031 Class locomotives of the Great Western Railway