Karlen
Karlen is the family name of the following people:
- Ernst Heinrich Karlen CMM (1922–2012), Archbishop of Bulawayo
 - Gabriel Karlen (* 1994), Swiss ski jumper
 - Gaëtan Karlen (* 1993), Swiss football player
 - Jakob Karlen (1809–1870), Swiss politician and entrepreneur
 - Johann Karlen (1807 – after 1859), Swiss doctor and politician
 - Johann Jakob Karlen (1819–1873), Swiss politician
 - John Karlen (1933–2020; actually John Adam Karlewicz ), American actor
 
Karlen is the name of the following localities:
- German name of the French community Charly-Oradour in the Moselle department (1915-1918 and 1940-1944)
 - Karlen , until 1938 Karalkehmen , Ragnit / Tilsit-Ragnit district, East Prussia, from 1950: Kashtanovka , desert in the Neman district, Kaliningrad Oblast, Russia