Northwestern may refer to:
- Northwestern University, a large American research university, located in Evanston, Illinois and Chicago, Illinois
- Other colleges and universities
- Northwestern College (Iowa), a small Christian college in Iowa.
- Northwestern College (Minnesota), a small Christian college, located in Roseville, Minnesota
- The former Northwestern College in Watertown, Wisconsin, which was incorporated into Martin Luther College in New Ulm, Minnesota in 1995
- Northwestern Michigan College, a small college located in Traverse City, Michigan
- Northwestern Oklahoma State University in Alva, Oklahoma
- Northwestern State University, in Natchitoches, Louisiana
- Northwestern California University (NWCU) School of Law, a online based law school in Sacramento, California
- Northwestern Polytechnic University in Fremont, California
- Also
- The Northwestern United States, a region of the United States of America
- Northwestern Lehigh School District in New Tripoli, Pennsylvania
- Northwestern Station in Chicago, Illinois
- Northwestern Corporation, a bulk vending machine manufacturer.
- The Chicago and North Western Railway
- The Oshkosh Northwestern, a daily newspaper based in Oshkosh, Wisconsin
- North-Western Territory, historical British North American territory
- North Western Province, Sri Lanka
- Northwestern Federal District, Russia
- North-Western Province, Zambia
- Northwestern Krai, a subdivision of Imperial Russia
- F/V Northwestern crab fishing vessel featured on Deadliest Catch
- Miami Northwestern High School, a High School in Miami, Florida
- See also: Northwest
