Peg
- Clothes peg
- PCI Express
- PEG ratio
- PEG tube
- Parsing expression grammar
- Peg (fishing)
- Peg (nickname)
- Peg (song)
- Peg (unit)
- Peg solitaire
- Pegasus (constellation)
- Pegged
- Pegging (disambiguation)
- Pegswood railway station
- Pengo language
- Percutaneous endoscopic gastrostomy
- Perugia San Francesco d'Assisi – Umbria International Airport
- Pinnacle Entertainment Group
- Piton
- Pneumoencephalography
- Polyethylene glycol
- Producer Entertainment Group
- Program for the Exceptionally Gifted
- Tent peg
- The Game of Life
- Tuning peg
- Winnipeg