PEN

{{Wiktionary|PEN}}

PEN may refer to:

• {{lang|pt|Partido Ecológico Nacional}} (National Ecological Party), former name of the Brazilian political party Patriota (PATRI)
• PEN International, a worldwide association of writers
• English PEN, the founding centre of PEN International
• PEN America, located in New York City
• PEN Center USA, part of PEN America
• PEN Canada, Toronto
• PEN Hong Kong
• Sydney PEN, one of three Australian PENs
• PEN-International, Postsecondary Education Network International, an international partnership of colleges for those with hearing impairment
• Penang International Airport, Malaysia, IATA airport code: PEN
• Penarth railway station, Wales, station code: PEN
• Peruvian sol, ISO 4217 currency code PEN
• {{lang | es | Poder Ejecutivo Nacional}}, the system of national executive power embodied in the President of Argentina
• Polyethylene naphthalate, a polyester
• Private Enterprise Number, an organisation identifier
• Protective earth neutral in electrical earthing systems