Carlotta Nillson (February 25, 1876 – December 30, 1951) was a Swedish-born American actress who appeared in at least ten Broadway productions over the first decade of the twentieth century.

[4] Several years later Nillson and her mother moved to San Francisco where the young teenager managed to be hired as a walk-on player with Madame Modjeska's stock company.

[5] Carlotta Nillson later moved to New York where she worked for Augustin Daly for a time and then went on a grueling forty-week tour of one-night stands as the ingénue in William Gillette's The Private Secretary (a.k.a.

After touring in Bronson Howard's Civil War play Shenandoah, Nillson decided to take some time off to hone her craft in England under the tutelage of William Farren Jr. and Geneviève Ward.

[7] She was probably best remembered by audiences of that time for her performances as Mrs. Elvsted in Hedda Gabler opposite Minnie Maddern Fiske, the title role in Pinero's Letty and Rhys Macchesney in the Rachel Crothers play The Three of Us, over its long run at the Madison Square Theatre.