Anne Marie Leggett (born May 28, 1947) is an American mathematical logician.

[1] Leggett was the editor-in-chief of the bi-monthly newsletter of the Association for Women in Mathematics (AWM), a position she held continuously from 1977 until the January-February 2024 issue.

[5] Leggett received an Alpha Sigma Nu Book Award for Complexities in 2006.

[1] In 1982, she married another mathematician, Gerard McDonald (1946–2012), and in 1983, they both joined the Loyola University Chicago faculty.

[9] Leggett was chosen to be part of the 2019 class of fellows of the Association for Women in Mathematics, "for extraordinary contributions in promoting opportunities for women in the mathematical sciences through AWM and as a teacher and scholar; for her amazing and steady work as editor of the AWM Newsletter since 1977; and for her invaluable leadership and guidance.