| Country: | Kingdom of Iceland |
| Type: | parliamentary |
| Previous Election: | 1923 |
| Election Date: | 1 July 1926 |
| Next Election: | 1927 |
| Seats For Election: | 3 of the 14 seats in the Upper House of the Althing |
| Turnout: | 45.83% |
| First Election: | yes |
| Leader1: | Jón Þorláksson |
| Party1: | Conservative Party (Iceland) |
| Seats1: | 1 |
| Percentage1: | 39.44 |
| Leader2: | Sveinn Ólafsson |
| Party2: | Progressive Party (Iceland) |
| Seats2: | 1 |
| Percentage2: | 24.96 |
| Leader3: | Jón Baldvinsson |
| Party3: | Social Democratic Party (Iceland) |
| Seats3: | 1 |
| Percentage3: | 22.69 |
| Prime Minister | |
| Before Election: | Magnús Guðmundsson (acting) |
| Before Party: | Conservative Party (Iceland) |
| After Party: | Conservative Party (Iceland) |
Elections to the Upper House of the Althing were held in Iceland on 1 July 1926.[1] Six seats were elected by proportional representation at the national level, using the D'Hondt method.[2] The remaining eight seats were elected along with the Lower House.
A by-election was held on 23 October 1926.[3]