Waves of psychological research over 50 years have resulted in the development of scales to measure psychological resilience. Multiple psychological resilience definitions and factors have emerged during this time, making its measurement complex. The overall aim of the review was to identify and describe developments in the measurement of psychological resilience in the clinical mental healthcare setting. Specific objectives included (1) consideration of the validity and reliability of psychological resilience scales, (2) the effectiveness of the scales in clinical mental healthcare settings and (3) to identify the scope that resilience factors are addressed in the included scales. It provides a timely update regarding psychological resilience measurement tools and considers further developments that may be required. Between 2011 and 2024, databases were searched, and English-language, peer-reviewed papers with full text were extracted. Eligible studies were those reporting validated existing resilience measures or the outcomes of new measures for use in clinical mental healthcare settings. Seventeen studies met the inclusion criteria. The review demonstrated that psychological resilience measures require further development, particularly focusing on the utility of measurement tools in clinical mental healthcare settings. In this review, we highlight an existing gap in resilience measurement and underscore the need for a new measure of psychological resilience that can effectively assess individuals' subjective experience of their psychological resilience in clinical mental healthcare settings. The currently available psychological resilience measures included in this review do not directly reflect all the factors that might impact a client's depression or anxiety and warrant further research.