Ryōzō, Ryozo or Ryouzou (written: 良三 or 亮三) is a masculine Japanese given name. Notable people with the name include:

• Ryōzō Hiranuma (平沼 亮三, 1879–1959), the 5th President of the Japanese Olympic Committee
• Ryōzō Kanehira (金平 亮三, 1882–1948), Japanese botanist
• Ryozo Kato (加藤 良三, born 1941), Japanese lawyer and diplomat
• Ryōzō Nagashima (長島 良三, 1936–2013), Japanese editor, writer and translator
• Ryozo Suzuki (鈴木 良三, born 1939), former Japanese football player

• 21460 Ryozo, main-belt asteroid
• Ryūzō (written: 隆三, 隆造, 龍三, 龍藏 or 竜三), a similarly spelled masculine Japanese given name
• Ryuso (disambiguation)

Name list

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