E20 or E-20 may refer to: E20 fuel, a mixture of 20% ethanol and 80% gasoline European route E20 Tandberg E20, a videoconferencing system E20, a postcode district in the E postcode area, announced in March 2011 for use on the site of the 2012 Olympics London E20 (EastEnders), a fictional London postal district in EastEnders EastEnders: E20, an Internet spin-off from EastEnders - also shown on BBC Three E20 (nightclub), a fictional nightclub in EastEnders Enterprise 2.0 Lotus E20, a Formula One racing car from Lotus F1 Team for the 2012 season Toyota Corolla (E20), a car General Electric E-20, the largest model of GE's Elec-Trak electric tractor, arguably equivalent to a small 20 hp fossil-fueled tractor Nimzo-Indian Defense, Encyclopaedia of Chess Openings code Chūō Expressway (between Takaido IC and Okaya JCT on main route), route E20 in Japan Maju Expressway, route E20 in Malaysia