Wikipedia
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:
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(born 1975), Japanese motorcycle racer 
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(born 1986), Bulgarian sumo wrestler 
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(born 1980), Japanese singer 
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(born 1980), Japanese rugby union player 
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(born 1964), Japanese manga artist 
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(born 1977), Japanese baseball player 
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(1921–1980), pen-name of Gomi Yasusuke, Japanese writer 
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(born 1994), Japanese swimmer 
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(born 1977), Japanese footballer 
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(born 1934), Japanese politician 
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(born 1984), Japanese footballer 
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(1854–1917), Japanese general 
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(born 1941), Japanese politician 
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(born 1985), Japanese footballer 
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(born 1982), Japanese swimmer 
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(born 1978), Japanese footballer 
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(1929–2009), Japanese theologian 
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(born 1987), Japanese actor and singer 
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(born 1976), Japanese manga artist 
- Kosuke Masuda (painter), Japanese painter
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(born 1979), Japanese racing driver 
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(born 1954), Japanese actor and voice actor 
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(born 1985), Japanese footballer 
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(born 1969), Japanese voice actor 
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(born 1993), Japanese footballer 
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(born 1987), Japanese footballer 
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(born 1982), Japanese footballer 
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(born 1983), Japanese composer 
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(born 1980), Japanese footballer 
- Kosuke Suzuki (born 1981), Japanese footballer
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(born 1968), Japanese journalist 
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, Japanese historian 
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(born 1990), Japanese footballer 
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(born 1985), Japanese basketball player 
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(born 1973), Japanese voice actor 
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(born 1987), Japanese footballer 
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(born 1989), Japanese footballer 
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(born 1974), Japanese composer 
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(born 1982), Japanese footballer 
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(born 1986), Japanese singer and actor 
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(born 1986), Japanese footballer 
Fictional characters:
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, fictional Japanese detective created by Seishi Yokomizo