Greenfeld

• Alon Greenfeld, an Israeli chess grandmaster
• Boruch Greenfeld, a rabbi and Torah scholar
• Josh Greenfeld, an author and screenwriter mostly known for his screenplay for the 1974 film Harry and Tonto
• Karl Taro Greenfeld, a journalist and author known primarily for his articles on life in modern Asia
• Liah Greenfeld, director of the Institute for the Advancement of the Social Sciences at Boston University
• Sherman Greenfeld
• Tzvia Greenfeld
• Yehuda Gruenfeld

  Grinfeld

• Alla Grinfeld, Russian female chess player
• Nadejda Grinfeld, a Bessarabian politician
• Pavel Grinfeld, an applied mathematician

  Grynfeld

• Izaak Grynfeld , a Polish–Israeli chess master