Sarah S. Richardson is an American philosopher and historian who is a professor at the Department of the History of Science at Harvard University.

[2] She is the author of The Maternal Imprint: The Contested Science of Maternal-Fetal Effects and Sex Itself: The Search for Male and Female in the Human Genome.

She was the Five College Assistant Professor of Feminist Science Studies at the University of Massachusetts Amherst from 2009 until 2010.

In 2010 she would join the faculty of Harvard University, where she has remained since, earning tenure in 2017.

Her 2013 book Sex Itself, examined cultural norms around gender.