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.