E2E or e2e may refer to:
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BTB E2E, a class of Swiss electric locomotives
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End-to-end (disambiguation)
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End-to-end auditable voting systems
End-to-end auditable or end-to-end voter verifiable (E2E) systems are voting systems with stringent integrity properties and strong tamper resistance. E2E systems often employ cryptographic methods to craft receipts that allow voters to verify t ...
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Estradiol enantate
Estradiol enantate (EEn or E2-EN), also spelled estradiol enanthate and sold under the brand names Perlutal and Topasel among others, is an estrogen medication which is used in hormonal birth control for women. It is formulated in combination wi ...
, an estrogen medication
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Speedtwin E2E Comet 1, a British light aircraft
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