E50
# E50

E50 or E-50 may refer to:

* Nimzo-Indian Defence, Encyclopaedia of Chess Openings code
* E-50 Standardpanzer, a German World War II tank model in the Entwicklung series
* European route E50, a road connecting Brest in France with Makhachkala in the Russian Republic of Dagestan
* M113 E50, a version of the Mercedes-Benz M113 engine
* M2 E-50, a version of the M2 Browning machine gun
* Nokia E50, a smartphone
* HMS E50, a British E class submarine of the First World War
* E50, a road route in Japan:
   * Kita-Kantō Expressway
   * Higashi-Mito Road
   * Hitachinaka Road
