This dataset contains the survey responses used in the study entitled “Analysis of Factors Influencing Fraud Prevention among Buy Now Pay Later (BNPL) Users in Indonesia.” The data were collected through an online questionnaire distributed to active BNPL users in Indonesia. The dataset includes demographic information and measurement items related to key research constructs, measured using a five-point Likert scale (1 = strongly disagree to 5 = strongly agree). The variables were operationalized based on established theoretical frameworks and prior empirical studies to ensure construct validity and reliability. The dataset has been anonymized to protect respondents’ privacy, and no personally identifiable information is included. This dataset can be used for replication studies, further statistical analysis, comparative research in digital financial services, and fraud prevention research in fintech contexts. Researchers are encouraged to cite the associated publication when using this dataset.