Yoshizawa (written: 吉沢, 吉澤 or 芳沢) is a Japanese surname. Notable people with the surname include:
*, Japanese idol, singer and actress
*, Japanese gravure idol and AV actress
*, Japanese origamist
*, stage name for several kabuki actors
*, Japanese video game designer
*, Japanese footballer and manager
*, Japanese ski jumper
*, Japanese football referee
*, Japanese idol, singer and actress
*, Japanese mountain climber
*, Japanese speed skater
*, Japanese hurdler
*, Japanese diplomat
*, Japanese-American musician
*, Japanese musician
*, Japanese actor
*, Japanese gravure idol
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Japanese-language surnames