Ove Vilhelm Paulsen (22 March 1874 – 29 April 1947) was a Danish botanist.
He studied at the University of Copenhagen under professor Eugen Warming (1841-1924).
[1] Paulsen was a keeper at the Botanical Museum of the University of Copenhagen from 1905 to 1920, when he became professor of botany at the Pharmaceutical College in Copenhagen, a position he held until 1947.
[2] During his travels through Pamir, he was accompanied by the Danish explorer Ole Olufsen (1865–1929).
[3] Ove Paulsen visited North America with the second International Phytogeographic Excursion from July to September 1913 and subsequently described the biome zonation from east to west in a paper.