II

Look up II in Wiktionary, the free dictionary.

II is the Roman numeral for 2.

II may also refer to:

Biology and medicine

• Image intensifier, medical imaging equipment
• Invariant chain, a polypeptide involved in the formation and transport of MHC class II protein
• Optic nerve, the second cranial nerve

Economics

• Income inequality, or the wealth gap, in economics
• Institutional Investor (magazine), an American finance magazine

Music

People and social groups

• Ii is a Japanese surname, daimyō of Hikone:
  • Ii clan, Japanese clan (Sengoku period)
  • Ii Naomasa, one of four Guardians of the Tokugawa clan
  • Ii Naotora, female daimyō and foster mother of Naomasa
  • Ii Naoyuki, a Japanese author
• II, drummer for the band Sleep Token
• John Papa ʻĪʻī, a Hawaiian noble

Other uses

• ii (digraph), a digraph in certain romanized alphabets
• ii (IRC client), short for IRC It, an Internet Relay Chat client for Unix-like operating systems
• Ii, Finland, a municipality of Finland
• Illegal immigrant (especially in Hong Kong and Macau vernacular)
• Index Islamicus, a bibliography database of publications about Islam and the Muslim world
• Internet Infidels, a discussion forum
• IBC Airways (IATA code: II)
• Yi language (ISO 639-1: ii)
• Inanimate Insanity, an animated web series described as the "unofficial sister show" to Battle for Dream Island
• Interactive Investor, an online investment platform in the United Kingdom.
• Independent Ireland, a political party in the Republic of Ireland

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