Ogawa (おがわ, 小川 "small river") is a Japanese surname. Notable people with the surname include:
Frank H. Ogawa (1917-1994), the first Japanese American to serve on the Oakland, CA City Council
Hiroshi Ogawa (disambiguation), several people
Hitoshi Ogawa (racing driver, 1956–1992)
Gōtarō Ogawa, cabinet minister
Ogawa Kazumasa (1860–1929), photographer
Makoto Ogawa (singer, born 1987), Japanese pop singer and actress best known as a former member of Morning Musume
Masataka Ogawa (1865–1930), Japanese chemist
Mikihiro Ogawa a.k.a. Shido Nakamura
Naoya Ogawa (born 1968), judoka/wrestler/mixed martial artist
Noriko Ogawa (pianist) (born 1962), Japanese classical pianist
Noriko Ogawa (singer) (born 1973), actress
Sachio Ogawa, video game composer
Seiji Ogawa (born 1934), developer of Functional MRI, 2003 winner of the Japan Prize
Shinsuke Ogawa (1935–1992), documentary film director
Shoot Ogawa, magician
Ogawa Suketada (1549–1601), daimyo
Tadahiko Ogawa, artist
Toshio Ogawa (born 1948), politician
Yoko Ogawa (born 1962), author
Yoshimi Ogawa (born 1966), businesswoman
Yoshinari Ogawa (born 1966), wrestler
Yoshizumi Ogawa (born 1984), Japanese footballer