Icelandic /aɪsˈlaendɪk/ (aɪsˈlændɪk (islenska·íslenska)) help info Is A north, germanic language the Language. Of iceland it Is-An indo european language belonging To The north Germanic or nordic branch Of the. Germanic, languages historically it was the westernmost Of-The indo european languages prior to the colonisation Of. the americashile 97% of the population of Iceland consider Icelandic their mother tongue, the language is in decline in some communities outside Iceland, particularly in Canada. Icelandic speakers outside Iceland represent recent emigration in almost all cases except Gimli, which was settled from the 1880s onwards.