Nobuaki (written: 信著, 信朗, 信明, 信昭, 信秋, 伸顕, 伸明, 伸彰 or 陳爾) is a masculine Japanese given name. Notable people with the name include:
Nobuaki Anzai (安斎 伸彰) (born 1985), Japanese Go player
Nobuaki Iwatake (born 1923), American Imperial Japanese Army personnel
Nobuaki Kakuda (角田 信朗) (born 1961), Japanese karateka
Nobuaki Katayama, Japanese automotive engineer
Nobuaki Kobayashi (小林 伸明) (born 1942), Japanese billiards player
Nobuaki Koga (古贺 伸明) (born 1952), Japanese trade unionist
Nobuaki Maeda (前田 陳爾) (1907–1975), Japanese Go player
Makino Nobuaki (牧野 伸顕) (1861–1949), Japanese diplomat
Nobuaki Minegishi (嶺岸 信明) (born 1959), Japanese manga artist
Nobuaki Nakanishi (中西 伸彰), Japanese anime director
Nobuaki Sato (佐藤 信秋) (born 1947), Japanese politician
Nobuaki Sekine (関根 信昭) (born 1934), Japanese anime director
Tsugaru Nobuaki (津軽 信著) (1719–1746), Japanese daimyō
Yamadera Nobuaki, Japanese samurai
