Shōzō, Shozo or Shouzou (written: 昭三, 省三, 省蔵, 省太, 正三, 正蔵 or 昌三) is a masculine Japanese given name. Notable people with the name include:
Shōzō Fujii (藤猪 省太) (born 1950), Japanese judoka
Shozo Fujita (藤田 省三) (1927–2003), Japanese historian
Shōzō Hayashiya IX (九代目 林家 正蔵) (born 1962), Japanese comedian and voice actor
Shōzō Iizuka (飯塚 昭三) (born 1933), Japanese voice actor
Shozo Ishihara (石原 省三) (1910–1993), Japanese speed skater
Shouzou Kaga (加賀 昭三) (born 1950), Japanese video game designer
Kawasaki Shōzō (川崎 正蔵) (1837–1912), Japanese businessman and shipbuilder
Shōzō Kitadai (北代 省三) (1921–2003), Japanese photographer
Shōzō Makino (director) (マキノ 省三) (1878–1929), Japanese film director, producer and businessman
Shozo Makino (swimmer) (牧野 正蔵) (1915–1987), Japanese swimmer
Shozo Miyamoto (born 1940), Japanese golfer
Shōzō Murata (村田 省蔵) (1878–1957), Japanese businessman, politician and diplomat
Namiki Shōzō I (並木 正三) (1730–1773), Japanese playwright
Namiki Shōzō II (並木 正三) (died 1807), Japanese playwright
Shozo Saijo (西城 正三) (born 1947), Japanese boxer
Shōzō Sakurai (樱井 省三) (1889–1985), Japanese general
Shozo Sasahara (笹原 正三) (born 1929), Japanese sport wrestler
Shozo Shimamoto (嶋本 昭三) (born 1928), Japanese artist
Shozo Tominaga (died 2002), Japanese activist
Shozo Tsugitani (継谷 昌三) (born 1940), Japanese footballer
Shozo Yoshigami (吉上 昭三) (1928–1996), Japanese translator and academic
