Pascal Lee (; born 1964) is co-founder and chairman of the Mars Institute, a planetary scientist at the SETI Institute, and the Principal Investigator of the Haughton-Mars Project (HMP) at NASA Ames Research Center in Mountain View, California. He holds an ME in geology and geophysics from the University of Paris, and a PhD in astronomy and space sciences from Cornell University. Pascal Lee is widely recognized for his efforts to advance the human exploration of Mars, in particular via its asteroid-like moons Phobos and Deimos.