Nikolay Petrovich Brusentsov (7 February 1925 in Kamenskoe, Ukrainian SSR – 4 December 2014) was a computer scientist, most famous for having built a (balanced) ternary computer, Setun, together with Sergei Sobolev in 1958. In 1970 he designed Setun 70, implementing principles which were later proposed for the RISC architecture independently. He died on 4 December 2014.