Jetze Doorman (2 July 1881 – 28 February 1931) was a Dutch fencer. He won four Olympic bronze medals. He also competed in the modern pentathlon at the 1912 Summer Olympics. Doorman won the European Champion in Paris in 1907. This victory caused that the Netherlands had to organize the championships the next year and due to that the Dutch national fencing association, now called "Koninklijke Nederlandse Algemene Schermbond" (KNAS) was established.