Hasan Basry (June 17, 1923 – July 15, 1984) was a military general, Indonesian nationalist leader, and was a key figure in the liberation of Kalimantan from Dutch rule. During the Indonesian National Revolution, he acted as the military representative of the Indonesian army in Kalimantan and led a guerilla war against the Linggadjati Agreement. He was a key figure behind the 17 May Proclamation which rallied Kalimantan natives against Dutch rule in 1949. He was declared a National Hero of Indonesia in 2001.