About Icelandic letters
Icelandic keeps the old letters þ (thorn) and ð (eth) and uses the acute on all vowels plus æ and ö.
The Icelandic layout has þ, ð, æ and ö as dedicated keys; the acute is a dead key next to the right Shift.
Alt codes exist for all of them: þ is Alt+0254, ð is Alt+0240.
Icelandic letters: names and codes
Every special letter in Icelandic, with the Windows Alt code where one exists, the hex code to type in Word followed by Alt+X, the Mac shortcut and the HTML entity. Click a letter to copy it.