E90 can refer to:

Transportation BMW 3 Series (E90), an automobile platform Embraer 190, an aircraft European route E90 Toyota Corolla (E90), an automobile platform Sakai Senboku Road, route E90 in Japan

Other uses Nokia E90 Communicator, a 3G smartphone King's Indian Defense (ECHO code: E90), a chess opening E-90 Super Sweeper, a robot that appears in Sonic X