Udi Manber (Hebrew: אודי מנבר) is an Israeli computer scientist. He is one of the authors of agrep and GLIMPSE. After a career in engineering and management, he worked on medical research.

He earned both his bachelor's degree in 1975 in mathematics and his master's degree in 1978 from the Technion in Israel. At the University of Washington, he earned another master's degree in 1981 and his PhD in computer science in 1982.

He has won a Presidential Young Investigator Award in 1985, 3 best-paper awards, and the Usenix annual Software Tools User Group Award software award in 1999. Together with Gene Myers he developed the suffix array, a data structure for string matching.

He was a professor at the University of Arizona and authored several articles while there, including "Using Induction to Design Algorithms" summarizing his textbook (which remains in print) Introduction to Algorithms: A Creative Approach.

He became the chief scientist at Yahoo! in 1998.

In 2002, he joined Amazon.com, where he became "chief algorithms officer" and a vice president. He later was appointed CEO of the Amazon subsidiary company A9.com. He filed a patent on behalf of Amazon. In 2004, Google promoted sponsored listings for its own recruiting whenever someone searched for his name on Google's search engine.

In 2006, he was hired by Google as one of their vice presidents of engineering. In December 2007, he announced Knol, Google's project to create a knowledge repository.

In October 2010, he was responsible for all the search products at Google.