Alondra Nelson (born 1968) is an American writer and academic. Nelson is the Acting Director of the Office of Science and Technology Policy since 2022. She is the Harold F. Linder Chair and Professor in the School of Social Science at the Institute for Advanced Study. She currently serves as Deputy Director for Science and Society in the White House Office of Science and Technology Policy (OSTP) under the Joe Biden administration since 2021.
From 2017 until 2021, she was president of the Social Science Research Council. She was a professor of sociology at Columbia University in the City of New York.