The Fouchet Plan (French: Plan Fouchet) was an unsuccessful plan written by Christian Fouchet, France's ambassador to Denmark, and proposed by French President Charles de Gaulle in 1961 as part of de Gaulle's grand design for Europe at the time. The idea was to form a new 'Union of States' between France, Italy, Germany and the Benelux countries, an intergovernmental alternative to the European Communities which had been created a few years prior. De Gaulle feared a loss of French national influence in the Communities, which were becoming increasingly supranational so the plan was an attempt to keep the balance of power in France's favor. The success of the European Communities and the lack of enthusiasm of other states for the idea stopped the implementation of the Fouchet Plan.

The first draft of The Fouchet Plan was proposed in 1961. The plan called for a "Union of the European peoples" "without supranational institutions." It is divided into five sections ("Titles I – V"), summarized below. Title I outlines the "aims" of the Union. Title II describes the institutions, their composition, and their various powers and relationships to one another. Title III describes the "Obligations of Member States". Title IV describes the Finances of the Union, and Title V describes General provisions.

The plan set forth two major aims of the Union: a common foreign policy and a common defence policy. Other aims of the Union were the development of the "common heritage" of the Member States and "the protection of the values on which their civilization rests".

The plan proposed three institutions of the Union: a "Council", a "European Parliament", and a "European Political Commission."

The Council would deliberate on questions posed by Member States and adopt decisions unanimously. However, if one or two members are absent, it would "not prevent a decision from being taken." The Council would meet twice every four months, once at the Head of State or Government level and once at the Foreign Minister level. De Gaulle proposed that the decisions of the council be binding on Member States, but did not propose a method of enforcement. Should a Member State abstain from the adoption of a decision, that decision would not be enforced on that state. However, these states would be able to opt in at any time.

The parliament would deliberate "on matters concerning the aims of the Union", as outlined in Title I, Article II. It would submit recommendations and would address oral or written questions to the Council. The Council would be free to act independently of the parliament, but must reply to parliament recommendations within four months.

The main role of the Political Commission of the Union would be to assist the Council by preparing its deliberations, carrying out its decisions, and performing the duties the Council entrusts to it. The Commission would consist of "senior officials of the Foreign Affairs departments of each Member State."

Title III called for cooperation between the Member States, mandating that they work towards the aims of the Union.