Marais (, meaning "marsh") may refer to:

People

• Marais (given name)

• Marais (surname)

Other uses

• Le Marais, historic district of Paris

• Théâtre du Marais, the name of several theatres and theatrical troupes in Paris, France

• Marais (company), a heavy equipment manufacturer based in Durtal, France

• Marais, also known as The Plain, a political group during the French Revolution

• Marais, Louisiana, a fictional town in the 2019 TV series Swamp Thing

• French intensive gardening

See also

• Grand Marais (disambiguation)

• Little Marais (disambiguation)

• Marai (disambiguation)

• Marais des Cygnes (disambiguation)

• Desmarais