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.
