Fred. Olsen & Co. is a holding company based in Oslo, Norway. The company was founded as a shipping firm by Petter Olsen in 1848. Today the company manages the Olsen family's interests in a variety of sectors including logistics, energy and consumer goods.

A/S Fred. Olsens Flyselskap (FOF), trading internationally as Fred. Olsen Airtransport, was a Norwegian charter airline which operated between 1946 and 1997, largely operating cargo aircraft. Based at Oslo Airport, Fornebu, it was created as a spin-off of Norwegian Air Lines and was part of Fred. Olsen & Co., which owned it through its subsidiaries Ganger Rolf and Bonheur.