Kōsuke, Kosuke or Kousuke (written: 康介, 康裕, 康祐, 浩介, 浩輔, 浩祐, 公介, 公輔, 公祐, 公亮, 幸介, 幸佑, 孝介, 孝亮, 孝輔, 孝助, 康介, 宏介, 紘介, 広祐, 光祐, 光佑, 光将, 耕助, 耕輔, 耕佑, 興輔, 昂輔, 晃佑, 亘右 or こうすけ in hiragana) is a masculine Japanese given name. Notable people with the name include:
Kousuke Akiyoshi (秋吉 耕佑) (born 1975), Japanese motorcycle racer
Aoiyama Kōsuke (碧山 亘右) (born 1986), Bulgarian sumo wrestler
Kousuke Atari (中 孝介) (born 1980), Japanese singer
Kosuke Endo (遠藤 幸佑) (born 1980), Japanese rugby union player
Kōsuke Fujishima (藤島 康介) (born 1964), Japanese manga artist
Kosuke Fukudome (福留 孝介) (born 1977), Japanese baseball player
Gomi Kosuke (五味 康祐) (1921–1980), pen-name of Gomi Yasusuke, Japanese writer
Kosuke Hagino (萩野 公介) (born 1994), Japanese swimmer
Kosuke Harada (原田 紘介) (born 1977), Japanese footballer
Kosuke Hori (保利 耕輔) (born 1934), Japanese politician
Kosuke Kimura (木村 光佑) (born 1984), Japanese footballer
Ijichi Kōsuke (伊地知 幸介) (1854–1917), Japanese general
Kosuke Ito (伊藤 公介) (born 1941), Japanese politician
Kosuke Kikuchi (菊地 光将) (born 1985), Japanese footballer
Kosuke Kitajima (北島 康介) (born 1982), Japanese swimmer
Kosuke Kitani (木谷 公亮) (born 1978), Japanese footballer
Kosuke Koyama (小山 晃佑) (1929–2009), Japanese theologian
Kōsuke Kujirai (鯨井 康介) (born 1987), Japanese actor and singer
Kōsuke Masuda (増田 こうすけ) (born 1976), Japanese manga artist
Kosuke Masuda (painter), Japanese painter
Kosuke Matsuura (松浦 孝亮) (born 1979), Japanese racing driver
Kōsuke Meguro (目黒 光祐) (born 1954), Japanese actor and voice actor
Kosuke Nakamachi (中町 公祐) (born 1985), Japanese footballer
Kōsuke Okano (岡野 浩介) (born 1969), Japanese voice actor
Kosuke Onose (小野瀬 康介) (born 1993), Japanese footballer
Kosuke Ota (太田 宏介) (born 1987), Japanese footballer
Kosuke Ota (born 1982) (太田 康介) (born 1982), Japanese footballer
Kosuke Saito (斉藤 広祐) (born 1983), Japanese composer
Kosuke Suda (須田 興輔) (born 1980), Japanese footballer
Kosuke Suzuki (born 1981), Japanese footballer
Kosuke Takahashi (高橋 浩祐) (born 1968), Japanese journalist
Kousuke Takahashi (高橋 孝助), Japanese historian
Kosuke Taketomi (武富 孝介) (born 1990), Japanese footballer
Kosuke Takeuchi (竹内 公輔) (born 1985), Japanese basketball player
Kōsuke Toriumi (鳥海 浩輔) (born 1973), Japanese voice actor
Kosuke Uchida (内田 昂輔) (born 1987), Japanese footballer
Kosuke Yamamoto (山本 康裕) (born 1989), Japanese footballer
Kousuke Yamashita (山下 康介) (born 1974), Japanese composer
Kosuke Yatsuda (八田 康介) (born 1982), Japanese footballer
Kousuke Yonehara (米原 幸佑) (born 1986), Japanese singer and actor
Kosuke Yoshii (吉井 孝輔) (born 1986), Japanese footballer
Fictional characters:
Kosuke Kindaichi (金田一 耕助), fictional Japanese detective created by Seishi Yokomizo
