IL-20 or IL 20 may refer to:

• Interleukin 20, a protein in humans
• Illinois's 20th congressional district, an obsolete district
• Illinois Route 20
• Ilyushin Il-20 (1948), a prototype Soviet ground attack aircraft
• Ilyushin Il-20M, a military variant of the Soviet-era Il-18 turboprop aircraft

Topics referred to by the same term

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