Sarah Ballard (born 1984) is an American Professor of Astronomy currently at the University of Florida. She has been a Torres Fellow at the Massachusetts Institute of Technology, a L'Oreal Fellow, and a NASA Carl Sagan Fellow. Ballard has spoken about her experience as a victim of sexual harassment, about imposter syndrome, and about the controversy over the proposed Thirty Meter Telescope at the Mauna Kea Observatories.