Yoshizawa (written: 吉澤, 吉沢 or 芳沢) is a Japanese surname. Notable people with the surname include:
Akie Yoshizawa (吉沢 秋絵) (born 1968), Japanese idol, singer and actress
Akiho Yoshizawa (吉沢 明歩) (born 1984), Japanese gravure idol and AV actress
Akira Yoshizawa (吉澤 章) (1911–2005), Japanese origamist
Hideo Yoshizawa (吉沢 秀雄), Japanese video game designer
Hiroshi Yoshizawa (吉沢 広司) (born 1931), Japanese ski jumper
Hitomi Yoshizawa (吉澤 ひとみ) (born 1985), Japanese idol, singer and actress
Ichiro Yoshizawa (吉沢 一郎) (1903–1998), Japanese mountain climber
Kenkichi Yoshizawa (芳沢 謙吉) (1874–1965), Japanese diplomat
Masakazu Yoshizawa (吉沢 政和) (1950 2007), Japanese American musician
Motoharu Yoshizawa (吉沢 元治) (1931–1998), Japanese musician
Ryo Yoshizawa (吉沢 亮) (born 1994), Japanese actor
Sarii Yoshizawa (吉沢 さりぃ) (born 1985), Japanese gravure idol
Yoshizawa Ayame (吉沢 菖蒲), stage name for several kabuki actors
Yuya Yoshizawa (吉澤 佑哉) (born 1986), Japanese footballer
