Kuksha of the Kiev Caves (Russian: Кукша Печерский, romanized: Kuksha Pechersky; died after 1114) was a monk and martyr from the Kiev Pechersk Lavra. He was canonized as a saint by the Russian Orthodox Church for his work in spreading Christianity among the Vyatichi in present-day Kaluga, Ryazan, and Tula oblasts of Russia.[1]