Thomas Dawes Eliot (March 20, 1808 – June 14, 1870) was an American politician who was a member of the United States House of Representatives from Massachusetts.

[2][3] He was named after his grandfather Justice Thomas Dawes of the Massachusetts Supreme Judicial Court.

He was admitted to the bar and commenced practice in New Bedford, Massachusetts.

He was elected as a Whig to the Thirty-third Congress to fill the vacancy caused by the resignation of Zeno Scudder and served from April 17, 1854, to March 3, 1855.

He declined to be a candidate for nomination by the Republican for Attorney General of Massachusetts in 1857.