In the entire world, Ионуц (Ionuț 
, Ионуц 
) is quite a rare masculine first name. The first name Ионуц is habitual in Romania, where it is quite a common male name, Moldova, where it is quite a rare boy's name, and Belgium, where it is a rare male name. In absolute terms, it is the most numerous in Romania, Moldova, and Italy. Much less frequently, Ионуц is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ionuț | Italy, Belgium, Romania, France, Moldova |
| Ионуц | Kazakhstan, Ukraine, Russia |
Džons, Giovanni, Huans, Ioan, Ioannes, Ioannis, Ion, Ionouts, Ionuc, Ionut, Ionuts, Ivan, Janos, Jean, John, João, Juan, János, Yanis, Yonuts, Žan, Žans, Ιωάννης, Τζοβάννι, Τζον, Τζων, Χουάν, Джавані, Джованни, Джованні, Джон, Жан, Иван, Иоан, Иоаннес, Иоаннис, Ион, Ионут, Йон, Йонуц, Хуан, Ян, Янаш, Янка, Янош, Ясь, Ён, Іван, איוואן, ג'ובאני,