This report diagnoses the main governance and financing challenges to private sector participation in the water supply and wastewater sector of Tunisia, and provides ways forward to address these challenges. It been developed as part of a water policy dialogue conducted by the OECD jointly with the Global Water Partnership-Mediterranean (GWP-Med) in the context of the project labelled by the Union for the Mediterranean (UfM) "Governance and Financing for the Mediterranean Water Sector", with the support of the FEMIP Trust Fund of the European Investment Bank.