| Cathrine Marie Lofthus | |
| Birth Date: | 27 October 1970 |
| Nationality: | Norwegian |
| Occupation: | Civil servant |
Cathrine Marie Lofthus (born 1970) is a Norwegian physician, health administrator and civil servant. Since 2015 she serves as permanent under-secretary of state in the Ministry of Health and Care Services.
Born on 27 October 1970, Lofthus has a dr. degree in medicine, as well as administrative education.
From 2012 to 2015 she served as vice director of the Oslo University Hospital. In May 2015 she was appointed permanent under-secretary of state (Norwegian: departementsråd) in the Ministry of Health and Care Services.