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