Loni is a ♀ female name.
Loni is a short form of the names Leona, Leonie or Apollonia. Besides, Loni is a Hawaiian name.
Loni means “lioness” (from ancient Greek “léon/λέων” or Latin “leo” = lion) and “consecrated to the God Apollo” (from Apollonia). In Hawaiian, Loni means “sky” (from “lani”).