Johnathon is an American spelling of Jonathan, the Hebrew Yehonatan, which means "God has given" or "gift of God"; the h was slipped in by analogy with John, though the two names are not directly related. In the Bible Jonathan is the loyal friend of David. Johnathon ranked number 378 in 2000, slid out of the top 1000 in the 2010s and stands at number 2171 in 2025.