Johann Baptist Lang
Johann Baptist Lang is the name of the following people:
- Johann Baptist von Lang (1736–1821), Austrian administrative officer
- Johann Baptist Lang (1747–1816), German organ builder, see Organ Landscape Oberschwaben #Orgelbauer in Oberschwaben 1500–1900
- Johann Baptist Láng (theologian) (1775–1829), Hungarian theologian
- Johann Baptist Lang (actor) (1800–1874), Austrian actor and director