The First cabinet of Jón Magnússon, nicknamed “The Sovereignty Government” (Icelandic: Fullveldisstjórnin), was formed 4 January 1917.
Cabinets
Inaugural cabinet
| Officeholder | Office |
|---|---|
| Jón Magnússon | Prime Minister |
| Minister of Justice and Ecclesiastical Affairs | |
| Björn Kristjánsson | Minister of Finance |
| Sigurður Jónsson | Minister of Employment |
Change (28 August 1917)
| Officeholder | Office |
|---|---|
| Jón Magnússon | Prime Minister |
| Minister of Justice and Ecclesiastical Affairs | |
| Sigurður Eggerz | Minister of Finance |
| Sigurður Jónsson | Minister of Employment |