What does the name Keoni mean? The meaning of the name Keoni is God Is Gracious. The origin of the name Keoni is Polynesian/Hawaiian. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Keyonei
People who like the name Keoni also like: Keon
, Matthew Keona
Name Notes: The Hawaiian equivalent of the name JOHN