Katharine Alexander (sometimes Katherine; September 22, 1897 - January 10, 1981) was an American actress on stage and screen.

[3] As a young woman, she planned to be a concert artist, but Samuel Goldwyn saw her giving a violin recital and gave her a chance on stage.

[citation needed] Alexander debuted on stage in A Successful Calamity with William Gillette.

[4] Her Broadway credits included Time for Elizabeth (1948), Little Brown Jug (1946), Letters to Lucerne (1941), The Party's Over (1933), Honeymoon (1932), Best Years (1932), The Left Bank (1931), Stepdaughters of War (1930), Hotel Universe (1930), The Boundary Line (1930), Little Accident (1929), The Queen's Husband (1928), Hangman's House (1926), Gentle Grafters (1926), The Call of Life (1925), Arms and the Man (1925), It All Depends (1925), Ostriches (1925), The Stork (1925), That Awful Mrs. Eaton (1924), Leah Kleschna (1924), Chains (1923), Love Laughs (1919), Good Morning, Judge (1919), and A Successful Calamity (1917).

She was buried in the Fairmount addition to Forest Park Cemetery in her native Fort Smith.