| Eduard Ferdinand Geiseler | |
| Birth Date: | 21 September 1781 |
| Nationality: | German |
| Occupation: | botanist, physician |
| Known For: | investigating the genus Croton |
| Notable Works: | Crotonis monographiam |
Eduard Ferdinand Geiseler (21 September 1781 in Stettin – 1827) was a German botanist who worked as a physician in Danzig.
He is known for his investigations involving the genus Croton, of which he circumscribed numerous species.[1] In 1807 he published a monograph on the genus, titled Crotonis monographiam.[2]
In 1841 Johann Friedrich Klotzsch named the genus Geiseleria (family Euphorbiaceae) in his honor.[3]