Gissur

Gissur or Gizur is an Icelandic given name, originally from Old Norse Gizurr. Notable persons with that name include:
 * Gizur, a King of the Geats
 * Gissur Teitsson, known as Gissur the White, 11th century Icelandic chieftain
 * Gissur Ísleifsson (1042–1118), second bishop of Iceland, and grandson of Gissur Teitsson
 * Gissur Þorvaldsson (1208–1268), Icelandic chieftain
 * Gissur Einarsson (c. 1512 – 1548), Icelandic bishop
 * Gissur Petersson (born 1958), Icelandic political scientist and economist