PEC may refer to:
Groups, organizations, companies
- Pakistan Engineering Council
- Pedernales Electric Cooperative
- President's Export Council
- Mormon Priesthood Executive Committee, now high council meeting
- Private Equity Council
- Punjab Examination Commission, Pakistan
- Puntland Electoral Commission, Somalia
Schools
- Pokhara Engineering College, a technical college in Nepal
- Pondicherry Engineering College, India
- Punjab Engineering College, Chandigarh, India
Science, technology, engineering, medicine
- Packet Error Checking, a CRC-8 checksum for SMBus communication
- PEC (cable system) or Pan European Crossing, a European fibre optic network
- Perfect electric conductor
- Peripheral Event Controller, an implementation of autonomous peripheral operations in microcontrollers
- Perivascular epithelioid cell tumour (PEC tumour)
- Planetary Exploration of China, a Solar System space exploration program from China
- Position error correction, a correction applied to the altitude or airspeed of an aircraft to eliminate the error in the static pressure
- Posta Elettronica Certificata, a certified email protocol used in Italy
Other uses
- Plain English Campaign
- Pelican Seaplane Base, an airport in Alaska with IATA code <code>PEC</code>
- Proposta de Emenda à Constituição, a plan for amending the state's Constitution in Brazilian law
- PEC Zwolle, a Dutch professional football club based in Zwolle, Netherlands
See also
- Pec (disambiguation)
- Peck (disambiguation)
- Pek (disambiguation)
- PEK (disambiguation)
- PEQ (disambiguation)
- Peque (disambiguation)