Joseph Francis Stewart (1889 – 6 May 1964) was an Irish nationalist politician.

After growing up in Dungannon, where he studied at the Christian Brothers' School, Stewart worked as a wine merchant and became active in the Irish Parliamentary Party. At the January 1910 general election he worked as the election agent for Thomas Kettle.^[1]

In 1923 Stewart was elected to the Dungannon Board of Governors, a post he held until the Board was dissolved in 1948.^[2] He was also elected to Tyrone County Council for the Nationalist Party, was a long-time member of Dungannon Urban District Council,^[1] and was the President of the Tyrone Ancient Order of Hibernians.^[2]

At the 1929 general election Stewart was elected to Stormont for the seat of East Tyrone, which he held until his death in 1964.^[1]

Following the death of Joseph Devlin, Stewart was elected to Westminster at the 1934 Fermanagh and Tyrone by-election, but he stood down at the following year's general election.^[1]

In 1958 Stewart became the Chairman of the Nationalist Party at Stormont, a position he retained until his death.^[1]