Étienne Lenoir
Étienne Lenoir or Étienne LeNoir is the name of the following people:
- Étienne LeNoir (watchmaker) (1699–1778), French watchmaker
- Étienne Lenoir (instrument maker) (1744–1832), French instrument maker
- Étienne Lenoir (inventor) ( Jean-Joseph Étienne Lenoir ; 1822–1900), French inventor and businessman