Christine Marion Korsgaard (born 1952 in Chicago, Illinois) is an American philosopher and academic whose main scholarly interests are in moral philosophy and its history; the relation of issues in moral philosophy to issues in metaphysics, the philosophy of mind, and the theory of personal identity; the theory of personal relationships; and in normativity in general. She has taught at Yale, the University of California at Santa Barbara, and the University of Chicago; since 1991 she has been a professor at Harvard University, where she is now Arthur Kingsley Porter Professor of Philosophy.
Korsgaard first attended Eastern Illinois University for two years and transferred to receive a B.A. from the University of Illinois and a Ph.D from Harvard, where she was a student of John Rawls. She also received an LHD Doctor of Humane Letters from the University of Illinois in 2004.
In 1996, Korsgaard published a book entitled The Sources of Normativity, which was the revised version of her Tanner Lectures on Human Values, and also a collection of her past papers on Kant's moral philosophy and Kantian approaches to contemporary moral philosophy: Creating the Kingdom of Ends. In 2002, she was the first woman to give the John Locke Lectures at the University of Oxford, which turned into her most recent book, Self-Constitution: Agency, Identity, and Integrity.