Muir
- Bishopbriggs Academy
- Camp Muir
- Clan Muir
- John Muir High School
- Lake Muir
- Mount Muir
- Mount Muir (High Rock Range)
- Muir (given name)
- Muir (surname)
- Muir Army Airfield
- Muir College (disambiguation)
- Muir Elementary School (disambiguation)
- Muir Glacier
- Muir Grove
- Muir Highway
- Muir Homes
- Muir House (disambiguation)
- Muir Island
- Muir Middle School (disambiguation)
- Muir Pass
- Muir Peak
- Muir Seamount
- Muir baronets
- Muir site
- Muir, Michigan
- Muir, Pennsylvania
- Norwich, Ontario
- Scots Gaelic
- Scots language