Pen (disambiguation)

A pen is a writing instrument which applies ink to a surface, usually paper.

Pen may also refer to:

• Pen (enclosure), an enclosure for domestic animals
  • Pigpen, an enclosure for pigs
• Sea pen, an animal
• The Pen, an episode of the TV series Seinfeld
• Pen, an abbreviation of penitentiary
• Pen, an adult female swan
• Pen, India, a town in India, in the Raigad district near Mumbai
• Pen, the much-reduced and entirely internal shell of some cephalopod mollusks, especially squid
• Pens (Game), a card game
• Pen (software), a load-balancer for TCP-based protocols

See also:

• PEN