Dutch botanist (1864-1932).
Jan Valckenier Suringar (24 December 1864, in Leiden – 17 October 1932) was a Dutch botanist. His surname is spelled "Valckenier Suringar" with the name "Valckenier" being his mother's maiden name. He was the son of botanist Willem Frederik Reinier Suringar 1832–1898. From 1896 to 1899 he worked in the Leiden Rijksherbarium, and in the meantime obtained his doctoral degree at the University of Leiden in 1898. He later taught classes at the agricultural, horticultural and forestry school in Wageningen and in 1900 he became director of the Wageningen botanical garden. From 1918 to 1924 he was a