Cruger, or Crüger, is a surname of German/Yiddish origin, altered form of Kruger.^[1] Notable people with the surname include:

• Carl Friedrich August Alexander Crüger (1813–1885), German entomologist
• Daniel Cruger (1780–1843), American lawyer
• Henry Cruger (1739–1827), American and British politician
• Herbert Crüger (1911–2003), German politician
• Hermann Crüger (1818–1864), German pharmacist
• Johann Crüger (1598–1662), German composer
• John Cruger (1678–1744), mayor of New York City, 1739–1744
• John Cruger Jr. (1710–1791), mayor of New York, 1757–1766
• Julia Cruger (1850–1920), American novelist
• Mary Cruger (1834–1908), American novelist
• Peter Crüger (1580–1639), mathematician, astronomer and polymath