Abstract
The issue of contract interpretation is very important in contract law. It is a necessity that goes with the contract. Justice is among the most important of these legal means that the judge uses to perform his task of interpretation. We will shed light in this research on the role of justice in interpreting civil contracts, to learn about its provisions and cases and the controls that the judge applies in accordance with the provisions of our civil law and some other comparative civil laws, this role which may not be clear to many people, because of the ambiguity of the idea of justice, And the active roles they play in civil contracts