Gustav Haloun (January 12, 1898, Brtnice, Moravia, Austrian Empire — December 24, 1951, Cambridge, England) was a Czech Sinologist. He taught at Prague University (1926-1927), Halle University (1928-1931), and Göttingen University (1931-1938), before becoming Professor of Chinese at Cambridge University.
He researched about the Hundred Schools of Thought, Bactria, Da Yuezhi, and Guanzi texts (cf.Guan Zhong).
Haloun's papers are held at Cambridge University Library.