Samuel Aaron Joseph (14 October 1824 – 25 September 1898) was an English-born Australian politician.
He was born in London to Aaron Steatham Joseph and Frances Cohen.
He married Matilda Phillipa Levien in 1856; they had three children.
In Sydney he was a merchant and closely involved in the business community.
In 1864 he was elected to the New South Wales Legislative Assembly for West Sydney, serving until his resignation in 1868 to travel to England.