Teller or telling may refer to:

• Teller (surname)
• Teller (magician), one half of the duo Penn & Teller

• Teller, Alaska, United States
  • Teller Airport
• Teller County, Colorado, United States

• 5006 Teller, a minor planet
• Bank teller
  • Automated teller machine
• Teller (elections), a person who counts the votes in a vote
• Teller Amendment, a 1898 amendment to a joint resolution of the United States Congress
• Teller House, a historic hotel in Central City, Colorado
• Teller mine, a German-made antitank mine common in World War II
• Teller Peak, Antarctica
• The Tellers, a Belgian rock group
• The Telling, a 2000 science fiction novel by Ursula K. Le Guin
• Being an informant or snitch
• All pages with titles containing teller
• All pages with titles containing telling