IL

As an abbreviation, IL may refer to:

* The country of Israel
* ISO 3166-1 alpha-2 country code for Israel
* IL, IATA designator for Sri Lankan airline Lankir
* IL Protocol, (Internet Link protocol) developed originally as part of Plan 9 from Bell Labs
* Illinois, United States postal abbreviation
* Ilmenau, vehicle registration plate code for Ilmenau, a town in Thuringia, Germany (newer plates obtain code for district IK, Ilm-Kreis)
* Ilyushin, Russian design bureau and aircraft manufacturer, i.e. aircraft or aircraft type of this making (plural for these: ILs)
* International League, Class Triple-A league in North American Minor League Baseball
* Instruction list, an IEC 61131-3 programming language

"the following singular" IL "abbreviations may have as plural" ILs:
* Interleukin, a family of cytokines, in biochemistry
* Intermediate language, usually the Common Intermediate Language (CIL), in computer science
* Introgression line, in plant genetics
* Ionic liquid, in chemistry including pharmaceutics, food science
* infralimbic prefrontal cortex nucleus [ [http://www.jneurosci.org/cgi/content/full/20/16/6225 The Role of Ventromedial Prefrontal Cortex in the Recovery of ...] ]

il may refer to:
* the third-person singular masculine personal pronoun "he", or the expletive pronoun "it" (pronoun) (as in 'it rains', "il pleut"), in French language
* one of the masculine definite articles in Italian language
* the term for 'province' in Turkey, see Provinces of Turkey
* .il, the Internet Top Level Domain (TLD) code for Israel
* Il (Shugo Chara!), a character from the manga series "Shugo Chara!" by Peach-Pit

References