Tiger swallowtail is a common name for several species of butterfly, including:
- Papilio appalachiensis or Appalachian tiger swallowtail, endemic to the Appalachians
- Papilio canadensis or Canadian tiger swallowtail, endemic to Canada
- Papilio glaucus or Eastern tiger swallowtail, endemic to the Eastern United States
- Papilio rutulus or Western tiger swallowtail, endemic to the Western United States and southwestern Canada