McNary may refer to:
- People
- Charles L. McNary (1874–1944), U.S. Republican politician
- John Hugh McNary (1867–1936), U.S. federal district court judge
- William S. McNary (1863–1930), U.S. Representative
- Places
In the United States:
- McNary, Arizona
- McNary, Louisiana
- McNary, Oregon
- McNary, Texas
- Other
- McNary Dam, a dam structure built across the Columbia River
- McNary Field, a public airport in Salem, Oregon
- McNary High School, a high school in Keizer, Oregon