Ann Olga Koloski-Ostrow (born 1949) is an American archaeologist known for her studies of hydraulic engineering in the ancient world. She works at Brandeis University as a professor of classical studies, the Kevy and Hortense Kaiserman Endowed Chair in the Humanities, and co-director of graduate studies in Ancient Greek and Roman Studies.
Koloski-Ostrow has a bachelor's degree from Upsala College in New Jersey, and a master's degree and Ph.D. from the University of Michigan.
Koloski-Ostrow's books include:
She is also an editor of volumes including: