Glenbrook may refer to:
Locations Australia Glenbrook, New South Wales
Canada Glenbrook, Calgary, a neighbourhood in Alberta
Ireland Glenbrook, County Cork, a small area in County Cork on the southeast tip of Ireland
New Zealand Glenbrook, New Zealand
United States Glenbrook, California Glenbrook, Lake County, California Glenbrook, Nevada County, California Glenbrook (Stamford), a section of Stamford, Connecticut Glenbrook, Nevada, the oldest settlement on Lake Tahoe Glenbrook, Oregon
Transportation Glenbrook station (Metro-North), in Glenbrook, Connecticut, United States Glenbrook railway station (Ireland), a former station in Cork, Ireland Glenbrook railway station, New South Wales, in Glenbrook, New South Wales, Australia The Glenbrook, an American narrow-gauge steam railway locomotive
See also Glenbrook High School (disambiguation), of several schools Glenbrook Square, a super-regional mall in Fort Wayne, Indiana Glenbrook Partners, a payments consulting firm in the United States