Marian Clarke (née Williams; July 29, 1880 – April 8, 1953) was a Republican member of the United States House of Representatives from New York.

She was the second woman elected to Congress from New York, after Ruth Baker Pratt.

[1] She was elected to Congress in 1933 to fill the vacancy caused by the death of her husband John Davenport Clarke who had died in a car crash on November 5, 1933.

She served from December 28, 1933, until January 3, 1935, withdrawing her nomination for reelection prior to the primary of 1934.

She is interred at the Locust Hill Cemetery in Hobart, NY.