1770 or Seventeen Seventy may refer to:

  • 1770, an integer number in the 1000 range that is frequently used to represent MDCCLXX the year 1770 C.E. on the Western Calendar
  • 1770 BC, the year 1770 before the Common Era of the West
  • 1770s, the decade in the Common Era of the West
  • 1770: Ek Sangram, upcoming Indian film
  • 1770, Queensland, a town in Queensland, Australia
  • 1770 (mummy), the Egyptian mummy numbered "1770"
  • 1770 Schlesinger, Asteroid 1770, the 1770th asteroid numbered, discovered as 1967 JR, named asteroid Schlesinger