Ogawa (written: 小川 lit. "small river" or おがわ in hiragana) is the 30th most common Japanese surname.^[1] Less common variants are 小河 (also "small river") or 尾川 ("tail river"). Notable people with the surname include:

• Ai Ogawa (愛 小川, 1947–2010), American poet
• Daiki Ogawa (小川 大貴, born 1991), Japanese footballer
• Frank H. Ogawa (1917–1994), the first Japanese American to serve on the Oakland, CA City Council
• Hiroshi Ogawa (disambiguation), several people
• Hitoshi Ogawa (小河 等, 1956–1992), Japanese racing driver
• Gōtarō Ogawa (小川 郷太郎, 1876 – 1945), Japanese cabinet minister
• Ito Ogawa (小川 糸, born 1973), a Japanese novelist, lyricist and translator, born in 1973
• Jiro Ogawa (小川 次郎, born 1939), Japanese ice hockey player
• Ogawa Kazumasa (小川 一眞, 1860–1929), Japanese photographer
• Kenichi Ogawa (尾川 堅一, born 1988), Japanese boxer
• Kiyoko Ogawa (小川 清子, born 1946), Japanese sprinter
• Kiyoshi Ogawa (小川 清, 1922–1945), Japanese noted kamikaze pilot
• Koki Ogawa (disambiguation), multiple people
• Makoto Ogawa (pilot) (小川 誠, born 1917), retired Japanese army aviator
• Makoto Ogawa (小川 麻琴, born 1987), Japanese pop singer and actress best known as a former member of Morning Musume
• Marumi Ogawa (小川 まるみ, born 1981), Japanese television personality and gravure idol
• Masataka Ogawa (小川 正孝, 1865–1930), Japanese chemist
• Mikihiro Ogawa (小川 幹弘, born 1972), a.k.a. Shido Nakamura
• Naoya Ogawa (小川 直也, born 1968), Japanese judoka/wrestler/mixed martial artist
• Naoyuki Ogawa (小川 直之, born 1954), Japanese sailor
• Noriko Ogawa (pianist) (小川 典子, born 1962), Japanese classical pianist
• Noriko Ogawa (singer) (小川 範子, born 1973), Japanese actress
• Ryoya Ogawa (小川 諒也, born 1996), Japanese footballer
• Seiji Ogawa (小川 誠二, born 1934), Japanese developer of Functional MRI, 2003 winner of the Japan Prize
• Shinsuke Ogawa (小川 紳介, 1935–1992), Japanese documentary film director
• Shoot Ogawa (born 1974), magician
• Ogawa Suketada (小川 祐忠, 1549–1601), Japanese daimyō
• Takehiro Ogawa (小川 健洋, born 1996), Japanese musician
• Tadaharu Ogawa (小川 忠晴, born 1969), Japanese basketball player and coach
• Tomohiro Ogawa (小川 智大, born 1996), Japanese volleyball player
• Toshio Ogawa (小川 敏夫, born 1948), Japanese politician
• Yōko Ogawa (小川 洋子, born 1962), Japanese author
• Yoshimi Ogawa (小川 善美, born 1966), Japanese businesswoman
• Yoshinari Ogawa (小川 良成, born 1966), Japanese wrestler
• Yoshizumi Ogawa (小川 佳純, born 1984), Japanese footballer
• Yusei Ogawa (小川 雄勢, born 1996), Japanese judoka

• Alyssa Ogawa (Star Trek)
• Ayumi Ogawa (緒川 歩実), (Good Luck!!)
• Eri Ogawa (小川 恵里) (Kamen Rider Ryuki)
• Hiroe Ogawa (小川 広恵) (F3: Frantic, Frustrated & Female)
• Ikue Ogawa (小川 育恵) (High School Girls)
• Michiru Ogawa (小川 みちる) (Bleach)
• Miharu Ogawa (小川 美晴) (Red String)
• Miyuki Ogawa (緒川美由紀), (Gender-Swap at the Delinquent Academy)
• Sakura Ogawa (小川 さくら) (Battle Royale)
• Sanshiro Ogawa (Natsume Soseki no Sanshiro)
• Yuuko Ogawa (小川 優子) (Kocchi Muite! Miiko)

• Japanese name