| Leaders |
| 1887 – 1888 | Anders Andersen |
| 1888 – 1889 | Hans G. Jensen |
| 1889 – 1990 | Christian Holtermann Knudsen |
| 1890 – 1892 | Carl Jeppesen |
| 1892 – 1893 | Ole Georg Gjøsteen |
| 1893 – 1894 | Gustav A. Olsen-Berg |
| 1894 – 1897 | Carl Jeppesen |
| 1897 – 1900 | Ludvig Meyer |
| 1900 – 1903 | Christian Holtermann Knudsen |
| 1903 – 1906 | Christopher Hornsrud |
| 1906 – 1911 | Oscar Nissen |
| 1911 – 1918 | Christian Holtermann Knudsen |
| 1918 – 1922 | Kyrre Grepp |
| 1922 – 1923 | Emil Stang jr. |
| 1923 – 1945 | Oscar Torp |
| 1945 – 1965 | Einar Gerhardsen |
| 1965 – 1975 | Trygve Bratteli |
| 1975 – 1981 | Reiulf Steen |
| 1981 – 1992 | Gro Harlem Brundtland |
| 1992 – 2002 | Thorbjørn Jagland |
| 2002 – 2014 | Jens Stoltenberg |
| 2014 – | Jonas Gahr Støre |
