Thomas Barnard Flint (April 28, 1847 – April 8, 1919) was a Canadian lawyer and political figure in Nova Scotia. He represented Yarmouth in the House of Commons of Canada from 1891 to 1902 as a Liberal member.^[1]

He was born in Yarmouth, Nova Scotia,^[1] the son of John Flint and Anne Barnard,^[2] and was educated at the Wesleyan Academy in Sackville, New Brunswick and Harvard University.^[3] He married Mary Ella Dane.^{[citation needed]}

He was called to the bar in 1872 and set up practice in Yarmouth.^[2] In 1874, Flint married Mary E. Dane. He was high sheriff for Yarmouth County from 1883 to 1886.^[3]

Flint was assistant clerk for the Nova Scotia House of Assembly from 1887 to 1891.^[2] He ran unsuccessfully for a seat in the provincial assembly in 1873 and 1882^[3] and ran unsuccessfully for a seat in the House of Commons in 1878. In 1902, Flint was named Clerk of the House of Commons and resigned his seat.^[1] He served in that post until 1918. He died the following year in Yarmouth at the age of 71.^[4]

He was editor of Bourinot's Parliamentary Practice and Procedure, 3rd edition, published in 1903.^[4]