Norwalk is the name of several places in the United States of America:
- Norwalk, California, a suburb of Los Angeles, and the largest and most populous city named Norwalk
- Norwalk, Connecticut, a city in southwestern Connecticut that contains several neighborhoods including Central Norwalk, East Norwalk, South Norwalk, and West Norwalk
- The Norwalk River running through southwestern Connecticut
- The Norwalk Harbor at the mouth of the river in southwestern Connecticut
- The Norwalk Islands in Long Island Sound off the coast of Connecticut
- Norwalk, Iowa, near Des Moines
- Norwalk, Michigan, in Brown Township
- Norwalk, Ohio
- Norwalk, Wisconsin
Norwalk may also refer to:
- Norwalk Community College in southwestern Connecticut
- Norwalk Hospital in southwestern Connecticut
- Norwalk Hydraulic Press, a juice-making machine invented by Norman W. Walker
- Norwalk virus, an early name for the Norovirus
- Norwalk Agreement, an agreement between FASB and IASB