1931 in Iceland

The following lists events that happened in 1931 in Iceland.

Incumbents

 * Monarch - Kristján X
 * Prime Minister – Tryggvi Þórhallsson

Births

 * 1 March – Sveinn Teitsson, footballer (d. 2017)
 * 13 April – Halldór Halldórsson, footballer (d. 2003)
 * 5 June – Pétur Georgsson, footballer
 * 2 July – Oddur Pétursson, cross country skier. (d. 2018)
 * 6 August – Matthías Árni Mathiesen, politician (d. 2011).
 * 27 August – Ebenezer Thorarinsson, cross country skier (d. 2003).
 * 10 September – Magnús Jónsson, footballer
 * 4 October – Jón Helgason, politician. (d. 2019)
 * 25 October – Hörður Felixson, footballer
 * 3 November – Erlendur Haraldsson, psychologist (d. 2020)
 * 14 December – Hannes Pétursson, poet

Full date missing

 * Jón Gunnar Árnason, sculptor (d. 1989)