Last name Diangi (Diangi 
) , worldwide, is a very rare surname. The surname Diangi is habitual in France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Venezuela. Not in comparison with a country's population, the name is most common in the United States, France, and the United Kingdom. Much less frequently, Diangi is the forename as well as the last name.