The aim of this research was to investigate the mediating roles of hope and its sub-dimensions in the relationship between psychological counselors' mental well-being and resilience levels. The participants consists of 374 psychological counselors working in Gaziantep in 2020-2021 academic year. The research data were collected via "Mental Well-Being Scale", "Psychological Resilience Scale", "Integrative Hope Scale" and "Personal Information Form". For statistical analysis SPSS.25 program and PROCESS 4.0 extension were implemented. The research results indicated that there was a positive relationship between mental well-being and psychological resilience, hope and there was a significant relationship between trust/belief, lack of perspective, positive future orientation, social relations/individual value. There was a positive correlation with psychological resilience and hope; while there was a significant relationship between trust/belief and positive future orientation; It was seen that there was no significant relationship between psychological resilience, lack of perspective and social relations/individual value. When looked at the mediation models in the relationship between mental wellbeing and resilience, it was seen that hope, trust/belief and positive future orientation had partial mediating effects in this relationship. It was observed that lack of perspective and social relations/individual value did not have a mediating effect between mental well-being and resilience. [For the full proceedings, see ED630948.]