Suzanne Joy Yerex Blackwell MNZM is a New Zealand clinical psychologist, and holds an honorary position at the University of Auckland.

In 2024 Blackwell was appointed a Member of the New Zealand Order of Merit for services to clinical and forensic psychology and the law.

Blackwell completed a PhD titled Child sexual abuse on trial at the University of Auckland in 2007.

[4][5][6] Blackwell has researched how a juror's misconceptions about sexual abuse might affect their decision-making in court, and has provided expert evidence to courts on counter-intuitive behaviour in complainants, such as why complainants might delay taking action, retract their complaints, or might stay in contact with abusers.

[7] In the 2024 King's Birthday Honours Blackwell was appointed a Member of the New Zealand Order of Merit for services to clinical and forensic psychology and the law.