Ein or EIN may refer to:
Science and technology
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Ein function, in mathematics
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Endometrial intraepithelial neoplasia, a lesion of the uterine lining
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Equivalent input noise, of a microphone
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European Informatics Network
In telecommunications, packet switching is a method of grouping data into '' packets'' that are transmitted over a digital network. Packets are made of a header and a payload. Data in the header is used by networking hardware to direct the pack ...
, a 1970s computer network
Fictional characters
* Ein, a
character in the anime series ''Cowboy Bebop''
* Ein, a
character in the video game series ''Dead or Alive''
* Ein, the protagonist of the Game Boy Advance game ''
Riviera: The Promised Land''
Other uses
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Aer Lingus
Aer Lingus ( ; an anglicisation of the Irish , meaning "air fleet" compare Welsh 'llynges awyr') is the flag carrier of Ireland. Founded by the Irish Government, it was privatised between 2006 and 2015 and it is now a wholly owned subsidiary ...
(ICAO code), the flag carrier airline of Ireland
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Eindhoven Airport (IATA code), in the Netherlands
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Employer Identification Number, assigned by the US Internal Revenue Service
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EPODE International Network
EPODE International Network (EIN) is a not for profit, non-governmental organisation that seeks to support childhood obesity-prevention programmes across the world, via best practice sharing and capacity building.
The name EPODE comes from ‘En ...
, a Belgian obesity organization
{{disambiguation, surname