E30 may refer to:
Automobiles Fengshen E30, a 2016–present Chinese electric city car Venucia e30, two different Chinese electric cars Zotye E30, a 2016–present Chinese electric city car BMW 3 Series (E30), a 1982–1994 German compact executive car Toyota Corolla (E30), a 1974–1981 Japanese compact car
Roads E 30 road (United Arab Emirates) European route E30 New North Klang Straits Bypass, route E30 in Malaysia Seto-Chūō Expressway, route E30 in Japan
Other uses Nimzo-Indian Defense, Encyclopaedia of Chess Openings code HMS E30, a British submarine Bruce Field which has the FAA LID E30