USS ''Grayling'' has been the name of more than one United States Navy ship, and may refer to:
*USS ''Grayling'' (SS-18), a D-class submarine launched in 1909, renamed in 1911, and decommissioned in 1922
*, a patrol vessel in commission from 1917 to 1919
*, a patrol vessel in commission from 1917 to 1918
*, a ''Tambor''-class submarine launched in 1940 and lost in September 1943
*, a ''Tench''-class submarine canceled in 1945 prior to construction
*, a ''Sturgeon''-class submarine launched in 1967 and stricken in 1997
{{Ship index, Grayling
Grayling
Grayling or Greyling may refer to:
Animals Fish
* Grayling, generically, any fish of the genus ''Thymallus'' in the family Salmonidae
** European grayling (''Thymallus thymallus''), the European species of the genus ''Thymallus''
** Arctic grayli ...
ja:グレイリング