Oliver Harlan Cross (July 13, 1868 – April 24, 1960) was a U.S. Representative from Texas.

He moved to McGregor, Texas, in 1894 and continued the practice of law.

He moved to Waco, Texas, in 1896 and continued the practice of law.

Cross was elected as a Democrat to the Seventy-first and to the three succeeding Congresses (March 4, 1929 – January 3, 1937).

This article incorporates public domain material from the Biographical Directory of the United States Congress