Harriet Elizabeth Vittum (February 14, 1872 – December 16, 1953)[1] was an American social reformer, especially active in the settlement movement in Chicago.

[3] Vittum had social reform interests from an early age, as evidenced when she opened a clinic in her family's home in Canton.

[7] She was active in the suffrage movement,[8][9] civic director of the Woman's City Club,[10][11] and president of the Chicago Kindergarten Institute.

[15][16] In 1918, she debated Clarence Darrow on the topic of film censorship, noting "I believe that motion pictures ought to be an important educational and social asset.

"[17] She was a friend to Black social worker Ada S. McKinley; they marched together and gave joint lectures.