P123 is a copolymer.
P123 may also refer to:
- Jalan Tun Hamdan Sheikh Tahir, Penang state route P123
- Papyrus 123, a biblical manuscript
- Piaggio P.123, an Italian transport aircraft
- TCG Beylerbeyi (P-123), a patrol boat of the Turkish Navy
- P123, a state regional road in Latvia
See also
edit- R-123 (Russian: Р-123), a Soviet military radio