James Graham Leslie (14 November 1868 – 16 May 1949) was a unionist politician in Northern Ireland.
[1] He inherited the family seat at Leslie Hill, Ballymoney, County Antrim from his uncle.
Leslie studied at Gray's Inn and briefly went into the law, before joining the Contract Department of the British Foreign Office.
[3] He resigned when given control of his family estates, and sat as an Irish Unionist Party councillor in County Antrim.
In 1921, he was elected for the Ulster Unionist Party to the first Senate of Northern Ireland, and served until his death in 1949.