Una O’Connor (23 October 1880 – 4 February 1959) was an Irish-American actress who appeared in over 70 films throughout her career, primarily in the 1930s and 1940s. She is perhaps best known for her roles in classic Hollywood productions such as The Adventures of Robin Hood, The Invisible Man, and The Bride of Frankenstein. She often played supporting roles as the comedic or eccentric character. In addition to her film work, she was also a successful stage actress and appeared in several Broadway productions. She received a star on the Hollywood Walk of Fame in recognition of her contributions to the film industry.