Grayback
# Grayback

Grayback or Greyback may refer to:

* Grayback (fish)
* Dowitcher, a wading bird
* An American duck, Aythya americana
* A character in the Battle Realms: Winter of the Wolf video game expansion pack
* Greyback, an American Civil War Confederate currency
* USS Grayback, either of two US Navy submarines
