In the entire world, Adalsteinn (Adalsteinn 
) is a very rare boy's given name. The forename Adalsteinn is habitual in Northern Europe, particularly Iceland, where it is quite a common male name. Very seldom, Adalsteinn is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Adalsteinn | Iceland, Italy, Norway, United States |
|
adalsteinn eyjolfsson Icelandic handball player, IS (b. 1977) |
|
| adalsteinn gudmundsson researcher |
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Taylor, Valdimarsson, Hallgrimsson, Thorbergsson, Johannsson, Gudbrandsson, Sigurdsson, Hjartarson, Halldorsson, Jonatansson, Stefansson, Magnusson, Thorsteinsson, Olafsson, Ingolfsson, Einarsson, Jorundsson, Sverrisson, Odinsson, Ottarsson, Jonsson, Leifsson, Palsson, Arnason, Skulason, Ornolfsson, and Adalsteinsson