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
- Supertonic, in music
 - ii, a 2018 song by CHVRCHES
 
Albums
- II (2 Unlimited album), 1998
 - II (Aquilo album), 2018
 - II (Bad Books album), 2012
 - II (Boyz II Men album), 1994
 - II (Capital Kings album), 2015
 - II (Charade album), 2004
 - II (The Common Linnets album), 2015
 - II (Compact Disco album), 2011
 - II (Cursed album), 2005
 - II (Espers album), 2006
 - II (Fuzz album), 2015
 - II (Hardline album), 2002
 - II (High Rise album), 1986
 - II (Khun Narin album), 2016
 - II (Kingston Wall album), 1993
 - II (The Kinleys album), 2000
 - II (Kurious album), 2009
 - II (Last in Line album), 2019
 - II (Lords of Black album), 2016
 - II (Maylene and the Sons of Disaster album), 2007
 - II (METZ album), 2015
 - II (Moderat album), 2013
 - II (The Presidents of the United States of America album), 1996
 - II (Sahg album), 2008
 - II (Seven Thorns album), 2013
 - II (Unknown Mortal Orchestra album), 2013
 - II (Xerath album), 2011
 - II, by Krux, 2006
 - II, by Majical Cloudz, 2011
 - II, by Viva Brother, 2017
 - II, an EP by TNGHT, 2019
 - Crystal Castles II, 2010
 - Led Zeppelin II, 1969
 - Meat Puppets II, 1984
 - Soul Assassins II, 2000
 - Viva Koenji!, Koenji Hyakkei album, also known as 弐(II)
 - Iris II, by Iris, 1987
 
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)