(Sven) August Heintze (1881–1941) (sometimes spelled Heinze)[1] was a Swedish botanist.
[2][3] Heintze was born on 26 September 1881 to Fredrik and Kerstin (née Svensson) Heintze in Skurup, Skåne.
His first position was as a teacher at Uddevalla kommunalgymnasium.
Heintze died on 6 May 1941 in Stockholm, and is buried in the Skurups Norra Kyrkogård ("Skurup's Northern Cemetery").
[5][6][3][7] He is known for his work on the classification of cormophytes,[8] particularly the family Ranuculaceae.