PEN

Acronym	Definition
PEN	Penitentiary
PEN	Parent Empowerment Network (Washington state)
PEN	Partido Encuentro Nacional (Paraguay)
PEN	Peer Education Network
PEN	Penalty
PEN	Penang, Malaysia - Penang International (Airport Code)
PEN	Penetrating/Penetration
PEN	Pennsylvania Environmental Network
PEN	Permanent Employee Number
PEN	Personal Education Number
PEN	Persuasive, Expository, Narrative (basic styles of writing)
PEN	Peruvian Nuevo Sol (Currency)
PEN	Plain English Network (US government)
PEN	Poder Ejecutivo Nacional (Argentina)
PEN	Poets, Playwrights, Editors, Essayists, and Novelists
PEN	Polyethylene Naphthalate (electrical insulation material)
PEN	Positive-Electrolyte-Negative (solid oxide fuel cells)
PEN	Primary Endosperm Nucleus
PEN	Private Electronic Network
PEN	Private Enterprise Number (assigned by the IANA)
PEN	Probability, Electric Strength, Number of Life Cycles
PEN	Professional Employer Network
PEN	Professional Executive Network
PEN	Program Element Number
PEN	Project on Emerging Nanotechnologies
PEN	Protective Earth and Neutral (conductor)
PEN	Provinciaal Energiebedrijf NoordHolland (Dutch)
PEN	Public Education Network
PEN	Personal Electronic Navigator