Kazusa may refer to:

• Kazusa Province (上総国, Kazusa-no kuni), former province of Japan
• Kazusa, Nagasaki (加津佐町 Kazusa-machi), former town in Minamitakaki District, Nagasaki Prefecture, Japan

• Kazusa Hirotsune (上総 広常) (died 1183), Japanese samurai lord and gōzoku
• Aranami Kazusa (和沙 荒浪), Japanese voice actress

• Kazusa Murai (村井 かずさ) (born 1975), Japanese voice actress
• Kazusa Ogawa (小川 和紗, born 1997), Japanese Paralympic judoka
• Kazusa Okuyama (奥山 かずさ, born 1994), Japanese model
• Kazusa Takashima (高嶋 上総), Japanese manga artist

• Kazusa Kyoyama, a character in the role-playing video game Blue Archive
• Kazusa Onodera, a character in the manga O Maidens in Your Savage Season
• Kazusa Touma, a character in the visual novel White Album 2
• Kazusa Yamashiro, a character in the anime Muv-Luv Alternative: Total Eclipse

This disambiguation page lists articles associated with the title Kazusa.
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