Yoan sits next to 3 phonetic neighbors — Johan, Juan, and Yohan are the closest matches by sound. Most share Yoan's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"God-like, divine warrior"
"people's champion"
"desiring peace, resolute peace"
"whole power, universal ruler"
"Who is like God? (rhetorical affirmation of divine uniqueness)"
"white, pure"
"wolf"
"fame, glory (folk etymology)"
"God heals"
"free man"
"military commander"
"deliverer, savior"
"famous ruler"
"cheerful, merry"
"gift of Isis"
"marvelous, wonderful"
"remedy, cure"
"creative variant name"
"lord of the border territories"
Similar sound: These names share phonetic patterns with Yoan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Yoan.
Rhythm: Yoan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.