Ion (name)
Ion is a common Romanian given name for males. It is equivalent to the English name John and has the same etymology as "Jon", tracing back to a Hebrew name. Ion can also be a surname in Romanian.
Another variant is Ioan. A common diminutive is Ionel. Its female form is Ioana. The surname Ionescu derives from Ion.
Read more about Ion (name): Ion As A Given Name, Ion As A Surname