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 type species of the genus Thymallus Arctic grayling (Thymallus arcticus) Australian grayling (Prototroctes maraena), a fish in the family Retropinnidae New Zealand grayling (Prototroctes oxyrhynchus), a recently extinct fish of New Zealand
Butterflies Grayling, many of the butterflies in the genus Hipparchia and Oeneis Grayling (butterfly) (Hipparchia semele) Common wood-nymph or grayling (Cercyonis pegala)
Places United States Grayling, Alaska Grayling, Michigan Grayling Charter Township, Michigan Camp Grayling, National Guard training facility near Grayling, Michigan
People A. C. Grayling (born 1949), British philosopher Chris Grayling (born 1962), British politician Eduard Greyling (born 1948), South African ballet dancer Lance Greyling (born 1973), South African politician and civil servant Piet Greyling (born 1942), South African rugby union player Dean Greyling (born 1986), South African rugby union player Carl Greyling, South African politician
Other uses Grayling (PR firm), a public relations firm USS Grayling, several US Navy ships and submarines Dr Grayling Russell, a fictional character in the Inspector Morse TV series