Data governance is crucial for maintaining data integrity in an era where data is abundant, diverse, and constantly evolving. This paper explores effective data governance strategies to preserve data integrity. It delves into the importance of data governance, the challenges it addresses, and the best practices organizations can implement. Key topics include data quality, data lifecycle management, data stewardship, and the role of technology in supporting data governance. By examining real-world case studies and industry standards, this paper provides valuable insights for organizations seeking to establish robust data governance frameworks that ensure data integrity, reliability, and trustworthiness.