Cornelis Gijsbert Gerrit Jan van Steenis

Cornelis Gijsbert Gerrit Jan van Steenis
Born31 October 1901
Died14 May 1986
Alma materUtrecht University
Scientific career
FieldsBotany
InstitutionsBogor Botanical Gardens, Flora Malesiana Foundation, Royal Tropical Institute Amsterdam, National Herbarium of the Netherlands
Author abbrev. (botany)Steenis

Cornelis Gijsbert Gerrit Jan van Steenis (31 October 1901 – 14 May 1986) was a Dutch botanist. Van Steenis wrote many publications on the flora of the Maritime Southeast Asia region, among others about taxonomy and plant geography. Besides his expeditions in the Malay region, he also traveled in Australia and New Zealand.