The institutions of marriage and family has become a prominent topic of debate in contemporary social discourse. Their recognition, existence and functioning, as well as their ongoing evolution, have led to a shift of this discourse into the realms of politics and law. The recognition of the right to marriage and family entails a number of rights and freedoms. This article seeks to explore these dimensions within the constitutional frameworks of European Union member states. It begins with an analysis of international and EU approaches, followed by an overview of constitutional provisions in different EU countries.