Old Blue
# Old Blue

Old Blue may refer to:

* Old Blue, an alumnus of Christ's Hospital
* Old Blue, an alumnus of the University of California, Berkeley
* Old Blue (song), an old folk song, from which many variations have arisen
* Old Blue (rugby club), a Rugby Super League (US) team based in New York City
* The type of British passport issued before 1993
* Old Blue (black robin), the last remaining fertile female that saved the black robin from extinction
* A conservation award given by Forest and Bird named after the black robin
* A traditional name for Yale University
