Koko Tanimoto (Née Koko Kondo (近藤紘子, Kondō Kōko), born November 20, 1944) is a prominent atomic bomb survivor, peace activist, and the eldest of at least four children of Kiyoshi Tanimoto, a Methodist minister famous for his work for the Hiroshima Maidens. Both appear in John Hersey's book, Hiroshima. When she was living in the United States, she lived with Nobel Prize winner Pearl S. Buck, who greatly influenced her personal work with Japanese orphans. Kondo received an honorary degree from Webster University in 2014.