David Frank Koch (born 24 October 1949) is an Australian politician.
Born in Coleraine, Victoria, he was a farmer from 1973 to 2001, when he became a real estate agent.
He held numerous local positions and was a Wannon Shire Councillor from 1987–1994, serving as President in 1991.
In 2002, he was elected to the Victorian Legislative Council as a Liberal member for Western Province.
This article about a Liberal Party of Australia politician is a stub.