Hertzog is a German surname, which is a variant of Herzog. Hertzog may also refer to:

• Albert Hertzog (1899–1982), South African politician
• Corey Hertzog (born 1990), American soccer (football) player
• Enrique Hertzog (1896–1981), was president of Bolivia, 1947–1949
• James Barry Munnik Hertzog (1866–1942), prime minister of South Africa
• Lawrence Hertzog, American television writer and creator of Nowhere Man

• Hertzog, Eastern Cape, South Africa
• Hertzogville, farming town in the Free State of South Africa

• Hertzog Prize, South African literary prize for Afrikaans literature

• Herzog