Sarah Wyatt is an American, plant molecular biologist. She is a Professor in the Department of Environmental and Plant Biology at Ohio University, as well as director of the Ohio University Interdisciplinary Graduate Program in Molecular and Cellular Biology. Wyatt's research interests include molecular biology, genomics, and signaling events. She is considered one of the world's experts on gravitational signaling in plants, and some of her recent research includes an experiment on board the International Space Station (ISS).