The Jewish name Peretz (Hebrew פרץ) may refer to the following people:

in the Hebrew Bible:

• Perez (son of Judah) in the Book of Genesis (also written as Peretz, Perets, Pharez)

as a modern given name:

• Peretz Lavie (born 1949), Israeli expert in the psychophysiology of sleep and sleep disorders, the 16th president of the Technion - Israel Institute of Technology, Dean of the Rappaport Faculty of Medicine
• Peretz Markish, (1895–1952), a Soviet Yiddish-language poet.
• Peretz Hirshbein, (1880–1948), a Yiddish-language playwright
• Peretz Smolenskin, (1842–1885), a Russian Jewish novelist

as a surname:

• Amir Peretz (born 1952), former Defense Minister and Labour Party leader in Israel
• Isaac Leib Peretz (1852–1915), modernist Yiddish language author and playwright
• Isabelle Peretz (born 1956), Canadian professor of psychology researching music cognition and amusia
• Jesse Peretz (born 1968), rock video director and son of Martin
• Malkiel Peretz (born 1943), Israeli chess master
• Martin Peretz (born 1938), Harvard University lecturer and former owner of The New Republic
• Moshe Peretz (born 1983), Israeli singer-songwriter
• Omer Peretz (born 1986), Israel U21 footballer and son of Vicky
• Rafi Peretz (born 1956), Israeli Orthodox rabbi who served as Chief Military Rabbi and is now Education Minister of Israel
• Vicky Peretz (1953–2021), Israeli international footballer
• Yitzhak Peretz (born 1936), Israeli politician who served as Deputy Minister of Industry, Trade and Tourism.
• Yitzhak Peretz (born 1938), Israeli politician who served as Minister of Internal Affairs and of Immigrant Absorption, and member on Israeli Chief Rabbinate Council