Rem Ivanovich Viakhirev (Russian: ??? ???´????? ??´?????, IPA: ['r??m ?'van?v??t? 'v?æx??r??f]; 23 August 1934 – 11 February 2013) was a Russian businessman.
From 1992 until May 2001 he was chairman of Gazprom.
In May 2001, Viakhirev had to resign as chairman during Putin's consolidation of economic power.