Si Boris Nikolayevich Yeltsin (Ruso: Бори́с Никола́евич Е́льцин, IPA: [bɐˈrʲis nʲɪkɐˈlaɪvʲɪtɕ ˈjelʲtsɨn] Pebrero 1 1931 – Abril 23 2007) iyo an pinakaenot na Presidente kan Russian Federation, nagsirbe poon 1991 abot 1999.