Masanao Ozaki (?? ??, Ozaki Masanao, born September 14, 1967 in Kochi, Kochi) is a Japanese politician.
He became governor of Kochi Prefecture in Japan on December 7, 2007.
He is a graduate of the University of Tokyo with the Bachelor of Economics degree in 1991 and a former bureaucrat of the Ministry of the Treasury (now the Ministry of Finance).
He worked in the Ministry of Foreign Affairs from 1998 to 2000.
He worked as a secretary in the Embassy of Japan in Indonesia (firstly, Second Secretary and from 2001, First Secretary).
He served as a secretary of the Deputy Chief Cabinet Secretary from 2006.
He retired from the Ministry of Finance in October 2007.