Hafsteinsson

Hafsteinsson is an Icelandic patronymic surname. Notable people with the surname include:


 * Daníel Hafsteinsson (born 1999), Icelandic footballer
 * Magnús Þór Hafsteinsson (born 1964), Icelandic politician
 * Vésteinn Hafsteinsson (born 1960), Icelandic discus thrower