Keisuke (written: 京佑, 圭佑, 惠佑, 佳祐, 慶祐, 圭祐, 敬佑, 馨祐, 敬輔, 恵輔, 圭輔, 敬典, 恵介, 啓介, 慶介, 健介, 敬介, 圭介, 啓介, 銈介, 敬介, 敬助, 蛍介 or 圭亮) is a masculine Japanese given name. Notable people with the name include:
Keisuke Endo (遠藤 敬佑) (born 1989), Japanese footballer
Keisuke Fujie (藤江 恵輔) (1885–1969), Japanese general
Keisuke Fujiwara (藤原 敬典) (born 1982), Japanese mixed martial artist
Keisuke Funatani (船谷 圭祐) (born 1986), Japanese footballer
Keisuke Hada (羽田 敬介) (born 1978), Japanese footballer
Keisuke Harada (原田 圭輔) (born 1988), Japanese footballer
Keisuke Hayasaka (早坂 圭介) (born 1984), Japanese baseball player
Keisuke Hayashi (林 佳祐) (born 1988), Japanese footballer
Keisuke Hoashi (born 1967), American actor
Keisuke Honda (本田 圭佑) (born 1986), Japanese footballer
Keisuke Hoshino (星野 圭佑) (born 1985), Japanese footballer
Keisuke Ishida (石田 圭祐) (born 1955), Japanese actor and voice actor
Keisuke Itagaki (板垣 恵介) (born 1957), Japanese manga artist
Itai Keisuke (板井 圭介) (born 1956), Japanese sumo wrestler
Keisuke Ito (伊藤 圭介) (1803–1901), Japanese physician and biologist
Keisuke Ito (swimmer) (伊藤 圭祐) (1943–2006), Japanese swimmer
Keisuke Iwashita (岩下 敬輔) (born 1986), Japanese footballer
Keisuke Kaneko (金子 圭輔) (born 1985), Japanese baseball player
Keisuke Kato (加藤 慶祐) (born 1988), Japanese actor
Keisuke Katto (甲藤 啓介) (born 1983), Japanese baseball player
Keisuke Kihara (木原 敬介) (born 1939), Japanese politician
Keisuke Kimoto (木本 敬介) (born 1984), Japanese footballer
Keisuke Kinoshita (木下 恵介) (1912–1998), Japanese film director
Keisuke Koide (小出 恵介) (born 1984), Japanese actor
Keisuke Kumakiri (熊切 圭介) (born 1934), Japanese photographer
Keisuke Kumazawa (熊澤 圭祐) (born 1989), Japanese footballer
Keisuke Kunimoto (国本 京佑) (born 1989), Japanese-Korean racing driver
Keisuke Kurihara (栗原 圭介) (born 1973), Japanese footballer
Keisuke Kuwata (桑田 佳祐) (born 1956), Japanese musician and singer-songwriter
Keisuke Makino (born 1969), Japanese footballer
Keisuke Minami (南 圭介) (born 1985), Japanese actor and singer
Keisuke Mori (森 惠佑) (born 1980), Japanese footballer
Keisuke Moriya (森谷 佳祐) (born 1986), Japanese footballer
Keisuke Naito (内藤 圭佑) (born 1987), Japanese footballer
Keisuke Ogawa (小川 啓介) (born 1986), Japanese footballer
Keisuke Ogihara (荻原 イルマリ 恵介) (born 1975), Japanese musician
Keisuke Okada (岡田 啓介) (1868–1952), Japanese admiral, politician and Prime Minister of Japan
Keisuke Okuno (born 1965), Japanese swimmer
Keisuke Ota (太田 恵介) (born 1979), Japanese footballer
Keisuke Ota (footballer born 1981) (太田 圭輔), Japanese footballer
Ōtori Keisuke (大鳥 圭介) (1833–1911), Japanese military commander
Keisuke Sawaki (born 1943), Japanese long-distance runner
Keisuke Sekiguchi (関口 圭亮) (born 1986), Japanese footballer
Keisuke Serizawa (芹沢 銈介) (1895–1984), Japanese textile designer
Keisuke Shimizu (清水 圭介) (born 1988), Japanese footballer
Keisuke Suzuki (鈴木 馨祐) (born 1977), Japanese politician
Keisuke Tanimoto (谷元 圭介) (born 1985), Japanese baseball player
Keisuke Tsuboi (坪井 慶介) (born 1979), Japanese footballer
Keisuke Tsumura (津村 啓介) (born 1971), Japanese politician
Keisuke Ushiro (born 1986), Japanese decathlete
Yamanami Keisuke (山南 敬助) (1833–1865), Japanese samurai
Keisuke Yoshida (吉田 恵輔) (born 1975), Japanese film director and screenwriter
Fictional characters:
Keisuke Miyagi (宮城 健介), character in The Karate Kid series
Keisuke Takahashi (高橋 啓介), character in Initial D
Keisuke Hamago (浜瑚 蛍介), character in Nar Doma