Pavilion or Pavillion may refer to:

• Pavilion (structure), a type of building
• a specific building:
  • London Pavilion
  • Royal Pavilion, Brighton
  • Balboa Pavilion
  • several theatres are named Pavilion Theatre
• a municipality:
  • Pavilion, New York (town)
  • Pavillion, Wyoming (town)
• a brand name of computers and notebooks made by Hewlett-Packard
• a song by Austin guitarist Eric Johnson, which appears on his 1996 album Venus Isle
• the gold and red ombrellino used on arms of the Papacy between Popes, or sede vacante

The word "pavilion", derived from the French word "pavillon", is frequently misspelled "pavillion."