Heifetz is a Jewish surname from Belarus and Lithuania. It derives from Hebrew חפץ (chefets; "delight" "pleasure"). It is unrelated to the similar-sounding Arabic name حافظ (Hafez or Hafiz; guardian, protector). It is also spelled Chafets, Chaffetz, Chaifetz, Cheifetz, Chejfec, Chofets. It may refer to:
Ze'ev Chafets, American-Israeli author and columnist Jason Chaffetz (born 1967), a U.S. Representative from Utah Hammond Chaffetz (1907–2001), a U.S. federal prosecutor and partner at Kirkland & Ellis Jill Chaifetz (1964–2006), an American lawyer and children's rights advocate Sergio Chejfec (1956–2022), an American-Argentine writer. Jonathon Hafetz, American lawyer and writer Daniel Heifetz (born 1948), concert violinist and founder of the Heifetz International Music Institute (brother of Ronald L. Heifetz) Danny Heifetz, American musician, percussionist, grandson of Jascha Heifetz Jascha Heifetz (1901–1987), Lithuanian-born American violinist Ronald L. Heifetz, American leadership teacher Yuri Heifetz, Russian poet and singer-songwriter Grigory Kheifets, Soviet intelligence agent Iosif Kheifits, Soviet film director Chofetz Chaim, (1838–1933), popular name of Rabbi Yisrael Meir ha-Kohen Kagan, Lithuanian rabbi and posek