Gunnar Gunnarsson (18 May 1889 – 21 November 1975) was an Icelandic author who wrote mainly in Danish. He grew up, in considerable poverty, on in Fljótsdalur valley and on in Vopnafjörður. During the first half of 20th century he became one of the most popular novelists in Denmark and Germany. One time he went to Germany and had a meeting with Hitler and is considered to be the only Icelander to have met him.