Langmuir is a Unincorporated area located in Thunder Bay, Ontario.

• Latitude: 49° 44' North   (decimal: 49.7332999)
• Longitude: 86° 52' West   (decimal: -86.8666999)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Station
• Canadian Province/Territory: Ontario
• Location: Thunder Bay
• GPS Coordinate Locator Map: Langmuir Lat/Long