The boy's name Johnathon \jo(h)-na-thon\ is a variant of Jonathan.
The baby name Johnathon sounds like Jonathon and Johnathan. Other similar baby names are Johnson and Johnston.
Johnathon is a common male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Johnathon. Click here to compare Johnathon with related baby names.
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