Glynnis O'Connor (born November 19, 1956) is an American actress of television, film, radio, and theater. She first gained wide attention in the mid-1970s with leading roles in the television version of Our Town and in the short-lived series Sons and Daughters. She also co-starred with Robby Benson in the films Jeremy in 1973 and Ode to Billy Joe in 1976, as well as with Jan-Michael Vincent in the film Baby Blue Marine in 1976.

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O'Connor was born in New Rochelle, New York,^[1] and is the daughter of actress Lenka Peterson and film producer Daniel Patrick O'Connor.^[2][3] She is married to Douglas Stern, a New York City native, and they have two daughters together, Lindsay (b. 1990) and Hana.^[4]

In 1973, O'Connor sang the title song for the film Jeremy in which she also co-starred with Robby Benson.^[5] On January 8, 1974, she starred in the CBS Radio Mystery Theatre production of "Ring of Roses" and then co-starred with John Travolta in the 1976 TV movie The Boy in the Plastic Bubble. The same year, she portrayed Bobbie Lee Hartley, co-starring again with Robby Benson, in the film Ode to Billy Joe, a tragic romance produced and directed by Max Baer Jr.^[5]

In 1984, O'Connor starred as Leola Mae Harmon in the biographical TV movie Why Me?, about United States Air Force nurse Harmon's trauma and series of facial reconstruction surgeries after a horrifying car accident. She also was cast in 1984 in the comedy Johnny Dangerously.^[5] In 1986, O'Connor performed in the TV movie The Deliberate Stranger.

O’Connor played defense attorney Anne Paulsen in five episodes, from 1998 through 2004, on the television series Law & Order.^[5] In 2007, she appeared in the independent feature film P.J., directed by Russ Emanuel.^[6]