Per Espen Stoknes (born 9 March 1967) is a Norwegian psychologist and politician for the Green Party.

He is well known for his TED talk explaining the psychology of economic choices for climate change.

[1] He served as a deputy representative to the Parliament of Norway from Oslo during the term 2017–2021.

[2] Stoknes received his PhD in economics from the University of Oslo.

[3] Stoknes was also a professor and director of the Center for Green Growth at the Norwegian Business School in Oslo.