Knowledge is the most critical source for sustainable competitive advantage in an organization. Organizations must therefore focus on creating a culture for Knowledge Sharing. However, politics or political work environment is an inevitable outcome where people interact and communicate on a daily basis. Politics discourage Knowledge Sharing and its related efforts in the organization. However, Islamic Work Ethic can remove negativity and strengthen Knowledge Sharing behaviors in the organization. This research focused on the moderating role of Islamic Work Ethic between Perceptions of Politics and Knowledge Sharing behaviors.The data was gathered using a structured questionnaire from the Banking Industry in Karachi, Pakistan using unrestricted non-probability convenience sampling technique. Hypotheses was tested using Structural Equation Modelling in SMART-PLS software. It was found that Perceptions of Politics reduces Knowledge Sharing Behaviors while Islamic Work Ethic Increase Knowledge Sharing Behaviors. Islamic Work Ethic moderates the relationship between Perceptions of Politics and Knowledge Sharing Behaviors. Employees religious orientations affect their work-related outcomes and behaviors. Islamic Banks have been mostly neglected as they have recently emerged as an important part of the economy therefore this study contributes to the literature by collaborating Islamic Work Ethic, Perceptions of Politics and Knowledge Sharing.