Tonooka

Tonooka is a surname of Japanese origin. It is relatively uncommon, and its bearers are found primarily within Japan. Like many Japanese surnames, its meaning can vary depending on the specific kanji used to write it. Potential meanings can relate to topographical features, such as "distant field" or "abundant valley," depending on the characters employed. Without knowing the specific kanji, a definitive interpretation is impossible. Genealogical research is often necessary to trace the lineage and understand the specific meaning intended by a family bearing the surname.