A spotter is someone trained to look for something. The term has the following special meanings.

  • Weather spotter, an individual who observes the weather to inform other groups.
  • Storm spotter, a weather spotter who observes specific weather events.
  • In the military, a spotter is a member of a sniper team.
  • An abbreviation for a military compact radar system.
  • In weight training, a spotter will assist someone lifting a weight for safety; see spotting (weight training).
  • In bouldering a spotter is a person who takes care that a falling boulderer lands safely on his/her feet to prevent injuries.
  • A semi tractor used on the property of a business, to move semi trailers within or around the facility, as opposed to transporting them long distances on road.
  • Transportation enthusiasts who enjoy watching various transport-related activities:
    • Train spotter, a railfan.
    • An aircraft spotter, someone who engages in aircraft spotting.
    • A bus spotter, someone who engages in bus spotting.
  • A British term for a police or military intelligence informant.
  • Spotter (auto racing), a term used in auto racing