Wilhelm Gerhard Walpers (26 December 1816 in Mühlhausen - 18 June 1853 in Berlin) was a German botanist. This botanist is denoted by the author abbreviation Walp. when citing a botanical name.
He received his education at the Universities of Greifswald and Breslau, earning his habilitation in 1848 at Berlin. He died on June 18, 1853 from a self-inflicted gunshot wound.
The plant genus Walpersia (synonym Phyllota) is named after him.
- Repertorium botanices systematicæ (six volumes, 1842-1847).
- Annales botanices systematicæ (three volumes, 1848-1853).