This study sought to examine the influence of Audit Committee on enhancing performance in Not- for- Profit Organizations, in Tanzania: case of Kolping Society Bukoba District Kagera Region. The study had three objectives: to assess the core competences of the Audit Committee in place at Kolping Society, to assess the mode of the committee’s execution of its duties and to assess the stakeholders’ satisfaction of the committee’s reporting and reports. The research adopted a case study design and interviewed 10 employees at the Kolping Society headquarters in Bukoba Municipal. Data was analyzed through the use of content analysis techniques. The findings revealed that Audit Committees play a vital role in the reflection of ongoing work in any organization, thus greatly checking on performance of all the variables examined, Information Communication Technology had the greatest influence in enhancing the performance of Kolping Society. An Audit Committee with free and exclusive authority to handle, maintain, control, monitor and evaluate the organization’s financial transactions as well as the internal control system results to good performance.Thus the study recommended separation of duties between Management and Audit Committee for better control of organization`s financial affairs.