Cash waqf is a waqf fund in the form of a rupiah managed by the nazir to produce benefits in the form of marque alaih. This study aims to determine how big the factor of interest of the Muslim generation in cash waqf in West Nusa Tenggara Province (NTB). In this study, data was collected by distributing questionnaires by purposive sampling using the Cochran formula so that 100 respondents fulfilled the number of samples. Data analysis techniques using Partial Least Square-Structural Equation Modeling (PLS-SEM). The results showed that trust variables and subjective norms positively and significantly affected the interest in cash waqf in West Nusa Tenggara (NTB). Trust and subjective norm variables imply that the institution where waqf is collected can maintain trust in Wakif by making reports and documentation. At the same time, the promotion of socialisation and religiosity variables have a positive but insignificant effect. Moreover, the knowledge variable has a negative and little impact on the interest in cash waqf in West Nusa Tenggara Province.