E0 or E00 can refer to:
- ε0, in mathematics, the smallest member of the epsilon numbers, a type of ordinal number
- ε0, in physics, vacuum permittivity, the absolute dielectric permittivity of classical vacuum
- E0 (cipher), a cipher used in the Bluetooth protocol
- E0 (robot), a 1986 humanoid robot by Honda
- E
o, in electrochemistry, the standard electrode potential, measuring individual potential of a reversible electrode at standard state - E0, the digital carrier for audio, specified in G.703
- E0, Eos Airlines IATA code
- E0, ethanol-free gasoline, see REC-90
- e0, in demographics, the life expectancy of an individual at birth (age zero)
- E00, Cretinism ICD-10 code
- E00, ECO code for certain variations of the Queen's Pawn Game chess opening
- Enemy Zero, a 1996 Japanese horror video game for the Sega Saturn
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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