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