1945 in Iceland

The following lists events that happened in 1945 in Iceland.

Incumbents

 * President – Sveinn Björnsson
 * Prime Minister – Ólafur Thors

Events

 * Hákon Bjarnason, director of the Icelandic Forest Service, introduces lupine from Alaska to Iceland where it becomes an invasive species.

Births

 * 7 April – Magnús Þór Jónsson, vocalist and songwriter
 * 21 September – Bjarni Tryggvason, astronaut (d. 2022)