Kathleen Clifford (February 16, 1887 – December 28, 1962) was an American vaudeville and Broadway stage and film actress of the early twentieth century.

Her other Broadway credits included A Pair of Queens (1916), A Winsome Widow (1912), A Night with the Pierrots / Sesostra / The Whirl of Society (1912), The Belle of London Town, and Fad and Folly (1902).

[1] Clifford served during the early years of World War I as a Red Cross nurse with the British Army in France, and was awarded honorary colonelcy of a Canadian regiment.

[7] Clifford made her screen debut in the 1917 William Bertram-directed mystery serial Who Is Number One?

She appeared in several high-profile roles throughout the late 1910s and early 1920s, most notably: opposite Douglas Fairbanks, Sr. in the 1919 comedy When the Clouds Roll By, in the crime drama Kick In opposite Betty Compson, May McAvoy and Bert Lytell (1922), and in the role of 'Queen Berengaria' opposite Wallace Beery and the young actress Marguerite De La Motte in Richard the Lion-Hearted (1923).