A ranger is typically someone in a law enforcement or military/paramilitary role specializing in patrolling a given territory, called "ranging" or "scouting". The term most often refers to:
- Park ranger or forest ranger, a person charged with protecting and preserving protected parklands and forests.
- National Park Service ranger, an employee of the National Park Service
- U.S. Forest Service ranger, an employee of the United States Forest Service
- Ranger of Windsor Great Park, a ceremonial office of the United Kingdom
- Includes the Keepers of Epping Forest who are charged to Range about the Forest in their duties.
Ranger or Rangers may also refer to: