Frederik Julius Bech was a Danish-Norwegian theologian and politician. He took part in the Meeting of Notables in Eidsvoll on February 16, 1814, and he served as the bishop of the Diocese of Oslo from 1805 to 1822. As the head of the Church of Norway, he crowned Charles III John of Norway at Nidaros Cathedral in 1818.

Oslo bishopric is the Church of Norway's bishopric for the municipalities of Oslo, Asker and Bærum. It is one of Norway's five traditional bishoprics and was founded around the year 1070.