Louis Monrose

{{Short description|French actor}}

{{for|the American scholar|Louis Montrose}}

File:Monrose Louis - Carjat.png.]]

Antoine-Martial Louis Barizain also called Louis Monrose or Monrose (1811–1883) was a 19th-century French actor. The actor Claude Louis Séraphin Barizain (1783-1843) was his father. The actress Mademoiselle Monrose was his step sister due to her marriage with his brother, Eugène (Barizain).

He was appointed a professor at the Conservatory in 1867. He was Lucien Guitry's first drama teacher and also taught the comedian Lucie Manvel.