Ole Christian Olsen Nauen (born 1939) is a Norwegian bell caster.
[1][2] He is the former owner of the Olsen Nauen Bell Foundry in Tønsberg, a family business that he took over in 1963.
[1][3] Under his leadership, the company further developed and new technology was introduced.
[1] Although retired, he continues to work at the company,[3][4] which is now headed by Morten Olsen-Nauen.
[3] In 2007, Olsen Nauen was awarded the King's Medal of Merit in gold for his work as a bell caster.