Miranda Otto (born December 16, 1967) is an Australian actress. The daughter of actors Lindsay and Barry Otto and the sister of actress Gracie Otto, she began acting at age eighteen, and has performed in a variety of independent and major studio films.

Her first major film appearance was in the 1986 film Emma's War, in which she played a teenager who moves to Australia's bush country during World War II. In 1996, director Shirley Barrett cast Otto as a shy waitress in the film Love Serenade. She starred in the 1997 films Doing Time for Patsy Cline and The Well, for which earned her third Australian Film Institute nomination. Her next project was the romantic comedy Dead Letter Office (1998). The film was Otto's first with her father, Barry, who makes a brief appearance. Later that year, she starred in the film In the Winter Dark, directed by James Bogle, for which she was nominated for her fourth Australian Film Institute Award.