Bjørn Grinde (born July 3, 1952 in Oslo) is a biologist working in the field of genetics and evolution, with a particular interest in human evolution. He studied natural sciences as well as psychology and anthropology at the University of Oslo, resulting in a Dr.scient (1981) and a Dr.philos (1984) from the same university. Presently he works as a chief scientist at the Norwegian Institute of Public Health and as a professor at the University of Oslo. Much of his scientific papers has focused on molecular evolution, using viruses as a model system.
Meant for a general audience, his book Darwinian Happiness has the subtitle Evolution as a Guide for Living and Understanding Human Behavior.