Purpose: This research was conducted on members of KSP Kopdit Permata Bunda Paroki Waelengga. This study aims to determine the effect of religiosity and spirituality on the financial behavior of members of the Kopdit Permata Bunda Paroki Waelengga.

Research methodology: This study uses a quantitative approach using the survey method. The population in this study was all Kopdit Permata Bunda members. Sampling in this study used Simple Random Sampling with a total sample of 100 members. As a primary data source and data collection using a direct survey in the field that was distributed using a questionnaire to KSP Kopdit Permata Bunda Paroki Waelengga members. Data analysis techniques using simple linear regression with the help of SPSS software version 16.0.

Results: The results showed that the religiosity variable had a positive relationship but had no significant effect on the variables of financial behavior, the spirituality variable had a positive relationship but had no significant effect on the variables of financial behavior, and the variable religiosity and spirituality together had a positive relationship but had no effect significant to the variables of financial behaviour.