Judith Weisenfeld is Agate Brown and George L. Collord Professor of Religion and Chair of the Department of Religion at Princeton University. She is also Associated Faculty in the Departments of African American Studies and History, and the Program in Gender and Sexuality Studies. She also serves on the Executive Committee of the Effron Center for the Study of America.

Weisenfeld’s research focuses on a variety of topics in early twentieth-century African American religious history, including the relation of religion to constructions of race, the impact on black religious life of migration, immigration, and urbanization, African American women’s religious history, and religion in film and popular culture. She is the author of New World A-Coming: Black Religion and Racial Identity during the Great Migration (NYU 2016), which won the 2017 Albert J. Raboteau Prize for the Best Book in Africana Religions, of Hollywood Be Thy Name: African American Religion in American Film, 1929-1949 (California, 2007), and African American Women and Christian Activism: New York's Black YWCA, 1905-1945 (Harvard 1997), as well as many articles and book chapters. Her current book, Black Religion in the Madhouse: Race and Psychiatry in Slavery's Wake, will be published by New York University Press in 2025.

She founded the online journal The North Star: A Journal of African American Religious History, which she edited from 1997-2005, and from 2016-2021 she was a co-editor of the journal Religion & American Culture. Her work has been supported by grants from the Ford Foundation, the National Endowment for the Humanities, the American Council of Learned Societies, the John Simon Guggenheim Foundation, and the American Academy of Religion. She is an elected member of the Society of American Historians and the American Academy of Arts and Sciences. 

In 2024, she created Harlem is Heaven: The Kingdom of Father Divine in 1940 Harlem for the Crossroads Project's SPIRIT HOUSE website.