Plessey (disambiguation)
# Plessey (disambiguation)

Plessey was a British electronics company.

It can also refer to:

* Plessey Code, a British barcode system
* Plessey System 250, a computer system that implements capability based addressing
* Plessey railway station, a disused halt near Plessey village, in Northumberland
* Plessey Woods Country Park, near Plessey village, in Northumberland
