Jørgen Brunchorst (10 August 1862 – 19 May 1917) was a
Norwegian natural scientist, politician and diplomat. Brunchorst was born in
Bergen, the son of ship builder and – captain Christian Ege Brunchorst (1835–64) and his wife Emma Wesenberg (1837–1919). His nephew
Knut Fægri was one of the most outstanding botanists of the 19th century. Brunchorst specialised in botany at university, and after finishing his
Ph.D. in Germany, he became director of
Bergen Museum. In this position, he worked towards popularising the natural sciences, and was also a pioneer in the field of
plant pathology in Norway.