Johann Eduard Wappäus (17 May 1812, Hamburg – 16 December 1879, Göttingen) was a German geographer.
He was a son-in-law to mineralogist Johann Friedrich Ludwig Hausmann.
He studied at the Universities of Göttingen and Berlin, where he was a student of Carl Ritter.
In 1833–34 he took part in a study trip to Cape Verde and Brazil.
[1] His most widely known work was a new edition of the "Stein-Hörschelmann" Handbuchs der Geographie und Statistik, of which, he published three exceptional volumes on the Americas.