Jill Clayburgh (April 30, 1944 – November 5, 2010) was an American actress. She won Best Actress at the Cannes Film Festival and was nominated for the Academy Award for Best Actress for her role in the 1978 film An Unmarried Woman, and received a second Best Actress Academy Award nomination for the 1979 film Starting Over.
Clayburgh made her Broadway debut in 1968 and went on to star in the original Broadway productions of the musicals The Rothschilds (1970) and Pippin (1972). She starred in the 1975 TV movie Hustling, which earned her an Emmy Award nomination. In 1984, she returned to Broadway in the revival of the play Design for Living. She received a second Emmy nomination for her 2004 guest role in the drama series Nip/Tuck, and went on to star in the drama series Dirty Sexy Money (2007–09). Her other film roles included Silver Streak (1976), Semi-Tough (1977), La Luna (1979), First Monday in October (1981), Shy People (1987), Whispers in the Dark (1992) and Bridesmaids (2011).