0E (zero E) or 0-E may refer to:
0E, or zero East, longitude for the Prime Meridian 0e, or On30 European notation for 0 scale using 16.5mm track 0 emission, or Zero emission Zero Emissions Research and Initiatives Zero-emissions vehicle 0 energy or Zero energy: Zero energy building (ZEB), a building's use with zero net energy consumption and zero carbon emissions Zero-energy Universe, a concept that the Universe's total amount of energy is exactly zero 0 element, or Zero element, one of several generalizations of the number zero to other algebraic structures
See also OE (disambiguation) E0 (disambiguation)