The Ōzuka Kofun (王塚古墳) is a Kofun period burial mound located in the Hachino-cho neighborhood of Suzuka, Mie Prefecture in the Kansai region of Japan. The tumulus was designated a National Historic Site of Japan in 1970. It is also known as the Nishi-no-no No.1 Kofun (西の野1号墳)