E55

E55 may refer to:
 * European route E55
 * Mercedes-Benz E55 AMG, a performance car
 * M113 E55, a version of the Mercedes-Benz M113 engine
 * The Nokia E55 mobile phone
 * Nimzo-Indian Defense, Encyclopaedia of Chess Openings code
 * Ocean Ridge Airport (FAA code E55)
 * Tokushima-Nanbu Expressway, Anan-Aki Expressway and Kōchi-Tōbu Expressway, route E55 in Japan
 * E55 road in United Arab Emirates, from Umm al-Quwain to Al Shuwaib.