Tikhon Yakovlevich Kiselyov (, ; 12 August (O.S.: 30 July), 191711 January 1983) was a Belarusian statesman in the Soviet Union, the leader (first secretary) of the Communist Party of Byelorussia, i.e., the de facto leader of the Byelorussian SSR (1980âÂÂ1983).