Gabbay

Gabbay may refer to:


 * Gabbai, a person who assists in running a synagogue
 * Awards
 * Gabbay Award, Jacob and Louise Gabbay Foundation annual awards to recognize outstanding work in the biomedical sciences
 * people
 * Avi Gabbay, an Israeli politician and the current leader of the Israeli Labor Party
 * Dov Gabbay (born 1945), British mathematical logician and computer scientist
 * Hamid Gabbay, Iranian-born American architect
 * Yisroel Meir Gabbai, a Breslover Hasid who travels the world to locate, repair and maintain Jewish cemeteries and kevarim (gravesites) of Torah notables
 * Math
 * Gabbay's separation theorem, a term in mathematical logic and computer science, named after Dov Gabbay
 * Logic
 * Gabbay-makinson conditions (Rational consequence relation), a term in Logic