Ooishi

Ooishi is a romanization of a Japanese surname, most commonly rendered Ōishi in modern kana. It is typically written in kanji as 大石 (literally "big stone"), though other kanji combinations such as 尾石 are possible.

The surname is of geographic origin, often tied to places named for a notable large stone or a boundary marker. It is found throughout Japan, with regional concentrations varying by historical settlement patterns.

In culture, the name is associated with Oishi Kuranosuke, the fictional leader of the Forty-seven Ronin in the Chūshingura tradition; his name is often rendered Oishi Kuranosuke (大石内蔵助). The surname has appeared in literature, film, and theater, reflecting the enduring fame of the ronin tale.

In contemporary contexts, individuals with the surname Ōishi exist in various fields such as academia, sports, and business; romanizations vary, including Oishi and Ohishi.