Lang is a surname of Germanic origin, closely related to Lange, Laing and Long, all of which mean "tall". Independently of this, it is also a surname of Manchu-Chinese origin (Chinese: 郎; pinyin: Láng).
Langer Name Meaning. German, Dutch, Danish, and Jewish (Ashkenazic): nickname for a tall man, from an inflected form of Lang. According to Gottschald, in the Franconian dialect of German this was also a term for an unskilled laborer (more fully, Handlanger).
