Deer Park, the development name for Mozilla Firefox 1.5

Deer Park, Sarnath, Uttar Pradesh, India; the site of the Buddha’s first sermon

Deer Park, Louisville, Kentucky, a neighborhood

Deer Park, Illinois

Deer Park, Texas

Deer Park, Toronto, Ontario, a neighborhood

Deer Park Township, Minnesota

Deer Park, Victoria, a suburb of Melbourne, located within the City of Brimbank

Deer Park, New York

Deer Park, Ohio

Deer Park, Maryland

Deer Park, Washington

Deer Park, Wisconsin

Deer Park, California

Deer Park Spring Water Co., a division of Nestlé Waters North America

Deer Park, Florida

Cirencester Deer Park School, a secondary school in Cirencester, Gloucestershire, England

Deer Park Monastery, a Buddhist monastery in Escondido, California

The Deer Park Tavern, a historical bar and restaurant in Newark, Delaware

Private British parkland, originally used by the nobility for hunting deer .