Ryōzō
# Ryōzō

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
