McCook may refer to:
People
- McCook (surname)
Places
;United States
- McCook, Illinois
- McCook, Nebraska
- McCook, Texas
- McCook County, South Dakota
- McCook Field, Ohio
- McCook (Amtrak station), Nebraska
- McCook Army Airfield, Nebraska
- McCook Regional Airport, Nebraska
Other uses
- USS McCook, two different U.S. Navy ships