Kavanagh or Kavanaugh may refer to:
People with the surname Kavanagh or Kavanaugh:
- Kavanagh (surname)
In places:
- Kavanagh, Alberta, a hamlet in Canada
- Kavanagh building, in Buenos Aires, Argentina.
Other:
- Kavanagh QC, a television series
- Kavanagh: A Tale, a novel by Henry Wadsworth Longfellow