Louise Catherine Breslau (1856-1927) was a German-born Swiss painter, printmaker and pastel artist active in France.
She trained at the Académie Julian in Paris and exhibited at the salon of the Société Nationale des Beaux-Arts in Paris in the late nineteenth-century.
In 1874, after having taken drawing lessons from a local Swiss artist, Eduard Pfyffer (1836-1899), Breslau knew that she would have to leave Switzerland if she wanted to realize her dream of seriously studying art.