II

Ii or ii can refer to:

• ii (digraph), a digraph in certain romanized alphabets
• Ii, Finland, a municipality of Finland
• Ii is a Japanese surname, daimyo of Hikone
  • Ii clan, Japanese clan (Sengoku period)
  • Ii Naomasa, one of four Guardians of the Tokugawa clan
  • Ii Naoyuki, a Japanese author
• iiNet, a major Australian Internet service provider trading as simply ii;
• 2 (number), in lowercase Roman numerals
• Illegal immigrant (especially in Hong Kong vernacular)
• Invariant chain
• ii (IRC client), short for IRC It, an Internet Relay Chat client for Unix-like operating systems
• John Papa Īī, Hawaiian noble
• Yi language (ISO 639 alpha-2, ii)
• Supertonic, in music