Ada E. Yonath (born June 22, 1939) is an Israeli crystallographer best known for her pioneering work on the structure of the ribosome. In 2009, she received the Nobel Prize in Chemistry along with Venkatraman Ramakrishnan and Thomas A. Steitz.

Awards and honors:

Her awards and honors include the following:
In 2000, the first European Crystallography Prize;
In 2002, the Israel Prize, for chemistry;
In 2006, the Wolf Prize in Chemistry (co-recipient with George Feher) "for ingenious structural discoveries of the ribosomal machinery of peptide-bond formation and the light-driven primary processes in photosynthesis";
In 2007, the Paul Ehrlich and Ludwig Darmstaedter Prize;
In 2008, she became the first Israeli woman to win the L'Oréal-UNESCO Award for Women in Science for her vital work identifying how bacteria become resistant to antibiotics;
In 2009, the Nobel Prize in Chemistry (co-recipient with Thomas Steitz and Venkatraman Ramakrishnan). She was the first Israeli woman to be awarded a Nobel Prize;
As well as the Harvey Prize, the Kilby Prize, the Cotton Medal of the US Chemical Society, the Anfinsen Award of the International Protein Society, the Paul Karrer Gold Medal from the University of Zurich, the University of Southern California's Massry Award and Medal, the Datta Medal of the Federation of European Biochemical Societies, the Fritz Lipmann Award of the German Biochemical Society and the Louisa Gross Horwitz Prize from Columbia University.