Marshall Philip Baron (1934–1977) was a Rhodesian painter.

He exhibited in the United States and South Africa, as well as in Rhodesia (which was renamed Zimbabwe in 1980).

Some of his paintings are today in the National Gallery of Zimbabwe.

He stood as an independent candidate for the Matobo District in the General Election in 1974.

Baron died suddenly on 3 May 1977 in Bulawayo at the age of 42.