Muirfield is an Open Championship golf course in Gullane, East Lothian, Scotland.

Muirfield may also refer to:

• Muirfield Village, an upscale golf course residential community in Ohio
• Muirfield Seamount, a submarine archipelago in the Indian Ocean that is a hazard to navigation
• Muirfield High School, a secondary school in New South Wales, Australia
• Muirfield, an evil secret organization in Beauty & the Beast

• Morton High School
• Morton High School (disambiguation)
• Morton High School (Indiana)
• Morton High School (Texas)
• Morton H. Moyes
• Morton Homestead State Park
• Morton H. Smith
• Morton Hunt
• Mortoniella
• Mortoniella pittieri
• Morton, James
• Morton Jefferies
• Morton Jeffreys
• Morton Jeffries
• Morton J. Gold
• Morton Koopa
• Morton L. Curtis
• Morton Livingston Schamberg
• Morton Lowry
• Morton L. Schamberg
• Morton Lucas
• Morton Mandel
• Morton mandel
• Morton, Manitoba
• Morton Manor