Katsuya (カツヤ, かつや) is both a masculine Japanese given name and a Japanese surname.

• 克也, "achieve, to be"
• 克弥, "achieve, extensive, complete"
• 勝也, "win, to be"
• 勝矢, "win, arrow"
• 勝哉, "win, how"
• 勝夜, "win, night"
• 活耶, "active, father"
• 活弥, "active, extensive, complete"
• 轄也, "administer, control, to be"
• 担耶, "carry, bear, father"

• Katsuya Eda (江田 勝哉), Japanese mathematician
• Katsuya Eguchi (江口 勝也, born 1965), Japanese video game designer
• Katsuya Ishihara (石原 克哉, born 1978), Japanese footballer
• Katsuya Kakunaka (角中 勝也, born 1987), Japanese baseball player
• Katsuya Kitamura (北村 克哉, born 1985), Japanese wrestler
• Katsuya Kobayashi (小林 且弥, born 1981), Japanese actor
• Katsuya Kodama (児玉 克哉, born 1959), Japanese sociologist
• Katsuya Kondō (近藤 勝也, born 1963), Japanese manga artist, character designer, animator and animation director
• Katsuya Iwatake (岩武 克弥, born 1996), Japanese football player
• Katsuya Matsumura (松村 克弥, born 1963), Japanese film director and screenwriter
• Katsuya Miyahira (宮平 勝哉, 1918–2010), Japanese karateka
• Katsuya Nagato (永戸 勝也, born 1995), Japanese football player
• Katsuya Nakamoto (中元 勝也, born 1977), Japanese freestyle skier
• Katsuya Nakano (中野 克哉, born 1996), Japanese footballer
• Katsuya Nomura (野村 克也, 1935-2020), Japanese baseball player
• Katsuya Ogawa (小川 勝也, born 1963), Japanese politician
• Katsuya Okada (岡田 克也, born 1953), Japanese politician
• Katsuya Onizuka (鬼塚 勝也, born 1970), Japanese boxer
• Katsuya Shiga (志賀 克也, born 1963), Japanese voice actor
• Katsuya Saito (斎藤 勝也, born 1940), Japanese cyclist
• Katsuya Senzaki (先崎 勝也, born 1987), Japanese footballer
• Katsuya Tahara (田原 勝也, born 1972), Japanese snowboarder
• Katsuya Takasu (高須 克弥, born 1945), Japanese plastic surgeon
• Katsuya Terada (寺田 克也, born 1963), Japanese illustrator
• Katsuya Toida (戸井田 カツヤ, born 1967), Japanese mixed martial artist
• Katsuya Toyama (當山 克也, born 1967), Japanese sprint canoeist
• Katsuya Yokoyama (横山 勝也, 1934–2010), Japanese musician

• Katsuya (勝矢, born 1975), Japanese actor
• Kentarō Katsuya (勝矢 剣太郎, fl. 1927–1933), Japanese writer
• Masahiko Katsuya (勝谷 誠彦, 1960–2018), Japanese journalist
• Toshinobu Katsuya (勝矢 寿延, born 1961), Japanese footballer

• Katsuya Jounouchi (城之内 克也), a character from Yu-Gi-Oh!

This page or section lists people that share the same given name or the same family name.
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