Oskar Korschelt (September 18, 1853 in Berthelsdorf – July 4, 1940 in Leipzig; some sources erroneously give him the name Oscar or Otto) was a German chemist and engineer who introduced the Asian strategy board game of Go to Europe, especially to Germany and Austria. He was an industrial chemist working in the brewing industry. He arrived in Japan in 1875, teaching at , which next year was merged into Tokyo University. In 1880 he gave up his academic position, then working on soil analysis for the Japanese government. He left Japan in 1884.