Westray may mean:

• The Orkney islands of Westray or Papa Westray
• Westray Mine in Nova Scotia
• "Westray", a song by Weeping Tile on their album Cold Snap (album) and EP eepee, about the Westray Mine incident
• Ron Westray, jazz trombonist

• 18th Earl of Derby
• 18th Empire Awards
• 18th European Cross Country Championships
• 18th European Film Awards
• 18th Field Artillery Regiment (United States)
• 18th Fighter-Bomber Group
• 18th Fighter Wing
• 18th Fires Brigade
• 18th Fires Brigade (United States)
• 18th foot
• 18th General Assembly of Newfoundland
• 18th government of Turkey
• 18th Grammy Awards
• 18th Guards Army
• 18th Guards Rifle Division
• 18th Guldbagge Awards
• 18th (Harrow Rifles) Middlesex Rifle Volunteer Corps
• 18th Hollywood Film Awards
• 18th IAAF Grand Prix Final
• 18th Indiana Infantry
• 18th Indian Brigade
• 18th Infantry Division (Germany)
• 18th International Emmy Awards
• 18th Japan Film Professional Awards
• 18th June Road