Nachi may refer to:

  • National Association of Certified Home Inspectors
  • A worm affecting Microsoft XP systems, also known as Welchia.
  • A sacred area in Nachikatsuura, Wakayama, Japan. See Kumano Sanzan
  • Nachi, a cruiser of the Imperial Japanese Navy, named after the place.
  • The nickname for the Indian Pilot Kambampati Nachiketa, captured in the Kargil War.
  • One of Bengal's most talented singer cum composer Nachiketa Chakroborty
  • Nachi-Fujikoshi Corp . Manufacturer of Industrial equipment and bearings.
  • √Ďachi