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Diocese immediately subject to the Holy See Oslo, Norway

Diocese of Oslo

Osloën(sis)

The Diocese of Oslo is a Latin Church diocese covering southern Norway, immediately subject to the Holy See. It was erected as a diocese on June 29, 1953, and has been led by Bishop Fredrik Hansen since July 16, 2025.

On the map

Esri
The address the register holds for St. Olav's Cathedral, Oslo, in Oslo, Norway.

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Established
1953
Catholics
118,247
Priests
86
Territory
154,560 km²

Parishes and churches

25 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.

This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.

The bishop

Bishop
Fredrik Hansen
Born
13 June 1979
Birthplace
Drammen

Explore the ministry of the bishop.

The cathedral

St. Olav's Cathedral, Oslo stands in Oslo, the church that holds the cathedra from which this see takes its name.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

History

Norway's capital city gives its name to the Diocese of Oslo (Latin: Dioecesis Osloënsis), an exempt Latin Catholic diocese of the Catholic Church based in Oslo.

This see in the wire

Stories that name this see

The wire's resolver matched this see in the text of each story.

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