Thomas Kirkpatrick, QC (December 25, 1805 – March 26, 1870) was a Canadian lawyer and political figure.
His mother, Marianne (1769–1835), was the daughter of George Sutton (1737–1800), Alderman and Sheriff of Dublin.
He studied law with his wife's cousin, Christopher Alexander Hagerman, and was called to the bar in 1828.
He married Helen Fisher, one of the two daughters of Judge Alexander Fisher M.P., of Adolphustown, Ontario and his wife Henrietta McDowell, daughter of Colonel McDowell of Marysburgh, Prince Edward County, Ontario.
His brother, Judge Stafford Kirkpatrick, married his wife's sister, Henrietta.