Øystein Olsen (born 8 January 1952) is a Norwegian public servant who served as Governor of the Central Bank of Norway from 2011 to 2022.

from the University of Oslo in 1977 Olsen came to the Central Bank governor position from his previous rank as Managing Director of Statistics Norway (SSB).

From 1999 until he became director of the SSB, he was deputy secretary in the Economics Department of the Norwegian Ministry of Finance.

In August 2021, he announced his intention to step down after his 12th annual speech in February 2022, about a year before his term as governor was meant to end.

Olsen stated that he thought the timing was acceptable due to him turning 70 in January.