Carl Wilhelm Barth (1847 - 1919) was a Norwegian painter.
He was born in Christiania. He studied painting under Hans Gude from 1881 to 1883, and having worked as a naval officer until then, he specialized in marine art. He is represented with three works in the National Gallery of Norway.
He was the son of Jacob Bøckmann Barth and brother of Agnar Johannes Barth, both foresters.
