Otto Albert Blehr (1847 - 1927) was a Norwegian politician representing the Social Liberal Party. He was Prime Minister of Norway from 1902 to 1903 and from 1921 to 1923.
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| width="30%" |Preceded by:
Otto Bahr Halvorsen
| width="40%" style="text-align: center;" |Prime Minister of Norway
1921–1923
| width="30%" |Succeeded by:
Otto Bahr Halvorsen