Langley has several meanings:

It is a measuring unit.

It can refer to the recording known as The Langley Schools Music Project.

It is the name of several places:

Canada

• Langley, British Columbia (district municipality)
• Langley, British Columbia (city)

France

• Langley, Vosges , a commune in the Vosges département

United Kingdom

• Langley, Cheshire
• Langley, Hampshire
• Langley, Hertfordshire
• Langley, Kent
• Langley, Northumberland
• Langley, Slough in Berkshire. Also known as Langley Marish and formerly in Buckinghamshire.
• Langley, Warwickshire
• Langley, West Sussex

• There are also Langley Common , Derbyshire; Langley Heath , Kent; Langley Lower Green and Langley Upper Green , Essex; Langley Park, Durham ; Langley Street , Norfolk.

United States of America

• Langley, Oklahoma
• Langley, South Carolina
• Langley, Virginia, most famous as home to the headquarters of the Central Intelligence Agency
• Langley, Washington

There is also Langley Park, Maryland and Langley Air Force Base.