Cognomen Йонеско (Ionescu 
, Йонеско 
, Ionesco 
) , globally, is a common last name. The family name Йонеско is habitual in Romania, where it is a common surname, Moldova, where it is quite a common surname, and Maldives, where it is quite a rare surname. In absolute terms, it is the most numerous in Romania, Italy, and the United States. Very seldom, Йонеско is the forename as well as the last name.