Family name Steingrimur (Steingrimur 
) , in the world, is an extremely rare surname. The last name Steingrimur is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname. More frequently, Steingrimur is the forename as well as the last name.
Eyfjord, Steingrimsson, Johannesson, Thorvaldsson, Thordarson, Thorgeirsson, Gunnarsson, Sigurdsson, Hermannsson, Thorlaksson, Pétursson, Steinlofson, Sveinbjörnsson, Stefansson, Olafsson, Einarsson, Erlingsson, Guðjónsson, Karlsson, Helgason, Jonsson, Leifsson, Smarason, Finnsson, Örn, Wernersson, and Thorsteinsson