Elsa Reichmanis (born December 9, 1953 in Melbourne, Australia)
is an American chemist, who was the 2003 president of the American Chemical Society.
Elected to the National Academy of Engineering in 1995, she is currently on the faculty of the School of Chemical and Biomolecular Engineering of the Georgia Institute of Technology.
Reichmanis is noted for her research into microlithography, and is credited for contributing to the "development of a fundamental molecular level understanding of how chemical structure affects materials function leading to new families of lithographic materials and processes that may enable advanced VLSI manufacturing".Elsa Reichmanis is the most prolific faculty member in the Chemical & Biomolecular Engineering Department at Georgia Tech.