Kaori Chiba ( Japanese: 千葉 香織 ; born January 29, 1981 in Minami-Alps, Yamanashi) is a female field hockey player from Japan. She twice represented her native country at the Summer Olympics (2004 and 2008).

Chiba became topscorer at the 2006 Women's Hockey World Cup Qualifier in Rome, Italy, alongside Tomomi Komori (Japan), Rhona Simpson (Scotland) and Maryna Vynohradova (Ukraine), scoring six goals.