Nachi may refer to:
Nachi, Iran, a village in Kurdistan Province, Iran Nachi, Japan, now united with surrounding villages to form Nachikatsuura Japanese cruiser Nachi, a cruiser of the Imperial Japanese Navy, named after the place Nachi (worm), another name for the Welchia worm affecting Microsoft XP systems Ñachi or ñache, a Mapuche food from Chile, prepared with fresh animal blood and dressings Nachi-Fujikoshi Corp., a Japanese corporation known for its industrial robots, machining tools and systems and machine components.
People with the given name Nachi Gordon, American entrepreneur Nachi Misawa (born 1989), Japanese rhythmic gymnast Nachi Nozawa (1938–2010), Japanese voice actor, actor and theatre director