Judith Ellen Light is an American actress. She made her professional stage debut in 1970, before making her Broadway debut in the 1975 revival of A Doll's House. Her breakthrough role was in the ABC daytime soap opera One Life to Live from 1977 to 1983, where she played the role of Karen Wolek; for this role, she won two consecutive Daytime Emmy Awards for Outstanding Lead Actress in a Drama Series in 1980 and 1981. In 2024, Light won the Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series for Poker Face.

Karen Wolek is a fictional character appearing on the American soap opera One Life to Live between May 1976 and February 1983. The role was most notably performed by Judith Light beginning on October 21, 1977. Karen ultimately departs for an off-screen life in Canada, coinciding with Light's departure from the series.