Jan Svatopluk Presl was a Bohemian natural scientist.
He was the brother of botanist Karel Bořivoj Presl. The Czech Botanical Society commemorated the two brothers by naming its principal publication Preslia. He is the author of Czech scientific terminology of various branches of science, including the Czech chemical nomenclature. He was the co-author of an important Czech taxonomic work, O Přirozenosti Rostlin.