Gelfand is a surname meaning "elephant" in the Yiddish language, and may refer to:
People Alan Gelfand, inventor of the ollie, a skateboarding move Alan E. Gelfand, statistician Boris Gelfand, chess grandmaster Israel Gelfand, mathematician Israel Lazarevich Gelfand, Russian-born SPD agent Mikhail Gelfand, molecular biologist and bioinformacist, grandson of Israel (mathematician) Vladimir Gelfand, Soviet-Jewish writer
Notions in mathematics Named after Israel Gelfand: the Gelfand representation allows a complete characterization of commutative C*-algebras as algebras of continuous complex-valued functions the Gelfand–Naimark–Segal construction the Gelfand–Naimark theorem the Gelfand–Mazur theorem a Gelfand pair, a pair (G,K) consisting of a locally compact unimodular group G and a compact subgroup K a Gelfand triple, a construction designed to link the distribution (test function) and square-integrable aspects of functional analysis
See also Gelfond Helfand Helfant