The term special relationship, in diplomacy, is used to describe exceptionally strong ties between nations, notably by Winston Churchill in 1946 to describe relations between the English-speaking people. An example of such a Special Relationships is the United Kingdom–United States relations. In its extended use outside the Anglosphere has also been used to describe the whole EU-US relations and the following relations:

• Albania–Kosovo relations
• Australia–New Zealand relations
• Azerbaijan–Turkey relations
• Belarus–Russia relations
• Brazil–Portugal relations
• Canada–United States relations
• China–Germany relations
• China–Pakistan relations
• China–Russia relations
• Egypt–Sudan relations
• Egypt–United Arab Emirates relations
• France–Monaco relations
• Holy See–Italy relations
• India–Russia relations
• India–Israel relations
• Italy–Russia relations 
• Israel–United States relations
• Laos–Vietnam relations
• Moldova–Romania relations
• Pakistan–United Arab Emirates relations
• Relations between the different parts of the British Empire and Commonwealth
  • Canada–United Kingdom relations
  • Egypt–United Kingdom relations
  • India–United Kingdom relations 
  • South Africa–United Kingdom relations
  • United Arab Emirates–United Kingdom relations
• Relations between member states of the European Union
  • Belgium–Netherlands relations
  • Cyprus–Greece relations
  • Finland–Sweden relations
  • France–Germany relations
  • France–Greece relations
  • France–Italy relations
  • Germany–Italy relations
  • Greece–Italy relations