Helinä Häkkänen-Nyholm (born 26 April 1971 in Helsinki) is a Finnish psychologist who has studied narcissism and psychopathy and wrote the first Finnish textbook on the subject, Psykopatia.
Working as both a criminal psychologist and an associate professor, at the University of Helsinki, Häkkänen-Nyholm studies behavior and the risk factors associated with it.
She is considered one of Finland's chief experts in forensic psychiatry and has a prolific publishing record.