Hattie Delaro (1861 – April 18, 1941) was an American actress.

She had a career in theater, then became an actress in silent film in the 1910s and 1920s.

[1] She portrayed Melissa in the first authorized New York production of Gilbert and Sullivan's Princess Ida in 1884[2] and an 1885 production of The Mikado at Hollis Street Theatre in Boston, Massachusetts.

Her other Broadway credits included The Pearl of Pekin (1889), Mam'selle 'Awkins (1900), and Babes in Toyland (1903)[2] She began her film career in 1913 short film Love in an Apartment Hotel.

[3] Delaro was married to attorney William S. Barnes.