HNoMS Oslo (pennant number F300) was an Oslo-class frigate of the Royal Norwegian Navy. She was launched on 17 January 1964, and commissioned on 29 January 1968. Oslo, ran aground near Marstein island on 24 January 1994. One officer was killed in the accident. The next day, on 25 January, she was taken under tow. She sank on the same day in Korsfjorden outside Steinneset in Austevoll county.