Robert Stewart (28 July 1816 – 9 June 1875) was an Australian politician.
He was born in Sydney to master mariner William Stewart and Charlotte Kirk.
His father was drowned in 1820 and the family lived on Broken Bay on the Hawkesbury River until 1831, when they went to Sydney.
Stewart was apprenticed as a cabinet maker, and later worked as an undertaker.
In 1860 he was elected to the New South Wales Legislative Assembly for East Sydney.