Otto Bahr Halvorsen
| Otto Bahr Halvorsen | |
|---|---|
| Bahr Halvorsen in 1921. | |
| Prime Minister of Norway | |
| In office 21 June 1920 – 22 June 1921 | |
| Monarch | Haakon VII | 
| Preceded by | Gunnar Knudsen | 
| Succeeded by | Otto Blehr | 
| In office 6 March 1923 – 23 May 1923 | |
| Monarch | Haakon VII | 
| Preceded by | Otto Blehr | 
| Succeeded by | Abraham Berge | 
| Minister of Justice | |
| In office 21 June 1920 – 22 June 1921 | |
| Prime Minister | Himself | 
| Preceded by | Otto Blehr | 
| Succeeded by | Olaf Amundsen | 
| In office 6 March 1923 – 23 May 1923 | |
| Prime Minister | Himself | 
| Preceded by | Arnold Holmboe | 
| Succeeded by | Christian L. Rolfsen | 
| Leader of the Conservative Party | |
| In office 1919 – 23 May 1923 | |
| Preceded by | Jens Bratlie | 
| Succeeded by | Ivar Lykke | 
| Personal details | |
| Born | 28 May 1872 Christiania, United Kingdoms of Sweden and Norway | 
| Died | 23 May 1923 (aged 50) Christiania, Norway | 
| Political party | Conservative | 
| Spouse | Kathrine Hofgaard (m. 1899) | 
Otto Bahr Halvorsen (28 May 1872 – 23 May 1923) was a Norwegian lawyer and politician from the Conservative Party, who served as the prime minister of Norway from 1920 to 1921 and again in 1923 up until his death in office.