Duan Hongchou (died 1878) was a Chinese-American triad gangster who was affiliated with the Fung Hai Tong in San Francisco, California during the 1870s. In 1878, he and a dozen other Fung Hai gangsters were massacred in their den by the Hop Wei Tong gangsters Ah Sahm, Young Jun, and Hong Tang amid the Tong Wars.