Douglas Donald Cross (8 September 1892 – 9 July 1970) was an Australian politician.
He was the son of a police constable and educated to elementary level at a state superior school.
Cross initially worked as a carpenter but eventually owned a large building company.
He retained the seat until he was defeated by Labor's Bill Crabtree at the 1953 state election.
At the following election in 1956 he defeated Frank O'Neill, Labor's sitting member for the seat of Georges River.