Walther Penck (30 Agustus 1888–29 September 1923) adalah seorang geolog dan geomorfologis yang dikenal karena membuat teori-teori tentang evolusi lanskap. Penck dikenal karena mengkritik unsur-unsur penting siklus erosiDavisian.
Allaby, Michael, ed. (2008), A Dictionary of Earth Sciences (Edisi 3), Oxford University Press
Beckinsale, Robert P.; Chorley, Richard J. (2003) [1991]. "Chapter Ten". The History of the Study of Landforms. Vol.Volume Three. Taylor & Francis e-Library.
"Walther Penck", Encyclopædia Britannica, diakses tanggal August 30, 2014
Chorley, Richard J.; Beckinsale, Robert P.; Dunn, Antony J. (2005) [1973]. "Chapter Twenty-Two". The History of the Study of Landforms. Vol.Volume Two. Taylor & Francis e-Library.
Mensching, Horst G. (1984), "Julius Büdel und sein konzept der klima-geomorphologie - rückschau und würdigung", Erdkunde (dalam bahasa Jerman), 38 (3): 157–166, doi:10.3112/erdkunde.1984.03.01
Simons, Martin (1962), "The morphological analysis of landforms: A new review of the work of Walther Penck (1888-1923)", Transactions and Papers (Institute of British Geographers), 31 (31): 1–14, doi:10.2307/621083, JSTOR621083
Sube, Ralf, ed. (2001), Langenscheidt Routledge German dictionary of physics, Psychology Press, hlm.1019