| Dóra Þórhallsdóttir | |
| Office: | First Lady of Iceland |
| Term Label: | In role |
| Term Start: | 1 August 1952 |
| Term End: | 10 September 1964 |
| President: | Ásgeir Ásgeirsson |
| Predecessor: | Georgia Björnsson |
| Successor: | Halldóra Eldjárn |
| Birth Date: | 23 February 1893 |
Dóra Þórhallsdóttir (23 February 1893 – 10 September 1964) was since 1917 the wife of Icelandic President Ásgeir Ásgeirsson and First Lady of Iceland from 1952 to 1964. She was the daughter of Þórhallur Bjarnarson (1855-1916), 6th Bishop of Iceland (1908–1916). Her brother was Tryggvi Þórhallsson, who was the 5th Prime Minister of Iceland (1927–1932).