Jane Alexander (born October 28, 1939) is an American author, actress, and former director of the National Endowment for the Arts. She is a Tony Award winner and two-time Emmy Award winner.

Alexander made her Broadway debut in 1968 in The Great White Hope and won the 1969 Tony Award for Best Featured Actress in a Play. Other Broadway credits include, 6 Rms Riv Vu (1972), The Night of the Iguana (1988), The Sisters Rosensweig (1993) and Honour (1998). She has received a total of seven Tony Award nominations and was inducted into the American Theater Hall of Fame in 1994.

She went on to star in the film version of The Great White Hope in 1970 and received the first of four Academy Award nominations for her performance. Her subsequent Oscar nominations were for All the President's Men (1976), Kramer vs. Kramer (1979), and Testament (1983). An eight-time Emmy nominee, she received her first nomination for playing Eleanor Roosevelt in Eleanor and Franklin (1976), a role that required her to age from 18 to 60. She has won two Emmys for Outstanding Supporting Actress in a Miniseries or Movie for Playing for Time (1980) and Warm Springs (2005).