Ii or ii can refer to:* John Papa Īī, Hawaiian noble Invariant chain Yi language (ISO 639 alpha-2, ii) Ii, Finland, a municipality of Finland; Ii is a Japanese surname, daimyo of Hikone iiNet, a major Australian Internet service provider trading as simply ii; Illegal immigrant (especially in Hong Kong vernacular) 2 (number), in lowercase Roman numerals Ii Naomasa - one of four Guardians of the Tokugawa Ii clan - Japanese clan (Sengoku period)… (More on Ii)