In this study, we explored how Internal Audit Practices impact Organizational Performance, focusing on Nansana Municipality, Wakiso District. By delving into historical, theoretical, and contextual dimensions, we aim to understand the intricate relationship between internal audits and overall organizational effectiveness. Referencing global, African, and local perspectives, we set the stage by exploring the historical and theoretical underpinnings of internal audit practices. Key theories are examined, drawing on recent research content for a contemporary understanding. Our research identifies the problem of overlooking internal audit practices and highlights its potential consequences. The general objective is to assess the impact of internal audits on Nansana Municipality's performance, considering compliance audits, operational audits, and financial audits as independent variables. Focusing on Nansana Municipality provides geographical relevance, and a two-month timeframe from September to November ensures a specific temporal context. This study's significance lies in informing organizational practices and contributing to the knowledge on internal audits. The study adopts a mixed-methods approach, using questionnaires and interviews for data collection. From the findings, the participants strongly agreed that the findings from operational audits contribute to streamlined organizational processes, as evidenced by the high mean score of 4.12. This underscored the perceived impact of operational audits on refining and optimizing various aspects of organizational workflows. Moreover, the participants believed that operational audits positively influenced the organization's risk management practices, with a mean score of 4.09. This suggested that operational audits played a significant role in identifying and addressing risks, contributing to a proactive risk management approach. Additionally, there is a need for continuous training and development. Programs to ensure that organizational stakeholders, including employees and management, fully understand the value and importance of internal audit practices.