Numata (written: 沼田) is a Japanese surname. Notable people with the surname include:

• Hirofumi Numata (沼田 宏文, born 1952), Japanese basketball player
• Numata Jakō (沼田 麝香, 1544–1618), Japanese samurai
• Keigo Numata (沼田 圭悟, born 1990), Japanese footballer
• Kosei Numata (沼田 航征, born 2002), Japanese footballer
• Mahokaru Numata (沼田 まほかる, born 1948), Japanese writer
• Noriyasu Numata (沼田 憲保, 1966–2007), Japanese motorcycle racer
• Shinsuke Numata (沼田 真佑, born 1978), Japanese writer
• Suzuko Numata (1923-2011), Japanese peace activist
• Yaichi Numata (沼田 弥一, born 1951), Japanese cyclist
• Yoichi Numata (沼田 曜一, 1924–2006), Japanese actor
• Yoshiaki Numata (沼田 義明, born 1945), Japanese boxer
• Yūsuke Numata (沼田 祐介, born 1968), Japanese voice actor

This page lists people with the surname Numata.
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