Marilyn Fogel (born September 19, 1952) is an American geo-ecologist, currently working as a Professor of Geo-ecology at UC Riverside in Riverside, California.
She is known for her work with stable isotope geochemistry, studying ancient climate, animal behavior, ecology, and astrobiology.
Fogel has also served in many leadership roles, including Program Director at the National Science Foundation in geobiology and low-temperature geochemistry.She was the second female member of the Geophysical Laboratory and the first woman recipient of the Alfred Treibs Medal from the Geochemical Society for her work in organic geochemistry.