White-collar crime, particularly in financial institutions, has become a significant concern due to its far-reaching consequences on both the economy and public trust. This study explores the relationship between organizational culture and the prevalence of white-collar crime in financial institutions in Anambra State, Nigeria. Using a mixed-method approach, data were collected from 150 respondents, including employees, management staff, and regulators within selected banks and insurance companies. The study aims to determine how elements of organizational culture, such as leadership style, ethical climate, and communication, influence the occurrence of white-collar crimes such as fraud, embezzlement, and insider trading.Quantitative data were gathered through structured questionnaires, while qualitative insights were drawn from in-depth interviews with key stakeholders in the financial sector. The findings reveal that weak organizational ethics, lack of transparency, and poor internal controls are strongly correlated with an increased likelihood of white-collar crime. Moreover, organizational cultures that prioritize short-term profit over ethical behavior were found to exacerbate these criminal activities. The study also identifies leadership styles that fail to promote accountability and transparency as contributing factors