In

In or EN may also refer to:

Acronyms

• inthe ISO 639-1 code for English.
• Ethylenediamine, colourless liquid with ammonia smell that dissolves in water forming a basic pH dissolution.
• European Standardization Committee (CEN), the community body responsible for developing standards ENwhich define European standards.
• Estonia (FIPS 10-4 and an obsolete NATO country code).
• Electronegativity, a measure of the ability of an atom or molecule to attract electrons in the context of the chemical link.
• Editorial Novaro, name of a Mexican comic book publishing house. Its publications were marketed in Latin America and Spain.

Sumerian

• In or EN, political position in Sumeria, similar to the king of a city, which then evolves to ensi or patesi.

Others

• The preposition in.
• The lyrics in Cyrillic (Н, н).