Ozaki (written: or ) is a Japanese surname. Notable people with the surname include:

Ōzeki Masutoshi (1849–1905), 16th daimyō of Kurobane Domain Ruth Ozeki (born 1956), American writer Tatsuya Ozeki (born 1976), Japanese baseball player Tokiko Ozeki (born 1950), Japanese cross-country skier Yukie Ozeki (born 1949), Japanese table tennis player Yuto Ozeki (born 2005), Japanese footballer