Allen Hiram Curtiss (1845–1907) was a noted botanist in the United States. He may have been the first professional botanist to reside in Florida. His work included the discovery of fern species at the Pineola Grotto. He collected many specimens and was an author of botanical books. The Florida Agricultural Experiment Station (established in 1888 as a division of the at Lake City), employed Curtiss for a brief tenure and several collections at the are named for him. Several species are named for him including and Polygala curtissii