|Birth||13 November 1862|
|Death||17 June 1927|
Owen Sinclair (13 November 1862 – 17 June 1927) was an Australian politician.
He was born in Port Melbourne to sugar boiler Charles Sinclair and Sarah Duff. He worked as a glassblower for Victorian Railways and then as a tobacconist in Port Melbourne. On 27 December 1887 he married Emma Margaret Hudson, with whom he had three children. He served on Port Melbourne City Council from 1906 to 1927. In 1915 he won a by-election for the Victorian Legislative Assembly seat of Port Melbourne, representing the Labor Party, but he lost his party endorsement ahead of the 1917 state election and was defeated running as an independent. Sinclair died in Port Melbourne in 1927.