Ofer Gabber (עופר גאבר; born May 16, 1958) is a mathematician working in algebraic geometry.
In 1978 Gabber received a Ph.D. from Harvard University, Some theorems on Azumaya algebras, under the supervision of Barry Mazur. He has been at the IHES in Bures-sur-Yvette in Paris since 1984 as a long term CNRS visitor. He won the Erdős Prize in 1981 and the Prix Thérèse Gautier from the Académie des Sciences in 2011.
- With Lorenzo Ramero: Almost Ring Theory, Springer, Lecture Notes in Computer Science, vol 1800, 2003.
- With Brian Conrad, Gopal Prasad: pseudo-Reductive Groups, Cambridge University Press, 2010