Kenzō or Kenzo or Kenzou (けんぞう, ケンゾウ) is a common masculine Japanese given name.

"Kenzō" can be written using different kanji (Chinese characters) depending on the meaning:

• 賢三, "wise, three"
• 健三, "healthy, three"
• 謙三, "humble, three"
• 健想, "healthy, perception"
• 建造, "build, create"
• 健蔵, "healthy, storehouse"
• 憲蔵, "constitution, storehouse"
• 研造, "polish, create"

The name can also be written in hiragana or katakana.

• Emperor Kenzō (顕宗, born 5 AD), 23rd Japanese imperial ruler
• Adachi Kenzō (謙蔵, 1864–1948), Japanese politician
• Kenzo Fujisue (健三, born 1964), Japanese politician
• Kenzō Katō (加藤 賢三, born 1980), Japanese sport wrestler
• Kenzo Kitakata (謙三, born 1947), Japanese novelist
• Kenzō Kotani ( 憲三, 1909–2003), last Yasukuni Shrine swordsmith
• Kenzo Mori (研三, 1914–2007), Japanese-Canadian journalist and editor
• Kenzo Nakamura (兼三, born 1973), retired judoka
• William K. Nakamura (健造, 1922–1944), United States Army soldier
• Kenzo Nambu (健造, born 1992), Japanese footballer
• Kenzo Okada (謙三, 1902–1982), American painter of Japanese birth
• Kenzo Oshima (賢三, 1943-2021), Permanent Representative of Japan to the United Nations
• Kenzo Seki (関 健三, born 1955), Japanese handball player
• Kenzo Suzuki (健想, born 1974), Japanese professional wrestler
• Kenzo Suzuki (astronomer) (憲蔵), a Japanese astronomer
• Kenzo Takada (賢三, 1939–2020), Japanese fashion designer
• Tamoto Kenzō (研造,1832–1912), Japanese photographer
• Kenzo Tange (健三, 1913–2005), Japanese architect
• Kenzo Yokoyama (謙三, born 1943), retired Japanese football player
• Kenzō Masaoka (1898–1988), 1930s-1940s animation creator
• Kenzo Taniguchi (堅三, born 1988), Japanese football player for FC Kagoshima
• Kenzo Ohashi (謙三, born 1934), Japanese football player

• Kenzo (brand), a French fashion label named after Japanese designer Kenzo Takada
• 5526 Kenzo, a Main-belt Asteroid
• Kenzo B, American rapper