Cognomen Лэнгли (Langley 
, Лэнгли 
) , across the world, is a common surname. The family name Лэнгли is habitual in Jersey, where it is quite a common surname, the United Kingdom, and Australia. In absolute terms, the name is most common in the United States, the United Kingdom, and Australia. Very seldom, Лэнгли is the forename as well as the last name.