E31
# E31

E31 may refer to:

* European route E31, a series of roads in Europe
* Seibu Class E31, a Japanese electric locomotive
* BMW 8 Series (E31), a 2-door car built by BMW from 1990 to 1999
* Nimzo-Indian Defence, Leningrad, main line, Encyclopaedia of Chess Openings code
* Damansara–Shah Alam Elevated Expressway, route E31 in Malaysia
* Hiroshima-Kure Road, route E31 in Japan
* Long Win Bus Route E31 in Hong Kong
