David Oman

David Swan Oman (9 November 1866 – 10 April 1930) was an Australian politician.

Oman was born in Lismore, Victoria, to farmer William Oman and Jane Swan. He was educated locally and worked on his father's properties before acquiring property of his own at Highton in partnership with his brother. On 14 August 1895 he married Mary Seymour, with whom he had four children. He served on Hampden Shire Council from 1890 to 1930, with six separate terms as council president.

In 1900 Oman was elected to the Victorian Legislative Assembly as the member for Ripon and Hampden, transferring to Hampden in 1904.