Frederick or Frederik may refer to:
People and fictional characters Frederick (given name), including a list of people and fictional characters named Frederick or Frederik Frederick of Utrecht (–834/838), saint and bishop of Utrecht Frederik (singer), (1945), stage name of Finnish singer Ilkka Juhani Sysimetsä Dave Frederick, American sportswriter and coach Sabrina Frederick (born 1996), Australian rules footballer
Places United States Frederick, Colorado, a town in Weld County Frederick, Kansas, a town Frederick County, Maryland Frederick, Maryland, a city in Frederick County Frederick, Michigan, a ghost town Frederick, Ohio, an unincorporated community Frederick, Oklahoma, a city in Tillman County Frederick, South Dakota, a town in Brown County Frederick County, Virginia Frederick Creek (disambiguation), several streams Frederick Sound, a sound in Alaska
Canada Frederick, Ontario Frederick Sound (Canada), a sound in British Columbia
Arts and entertainment "Frederick" (song) by Patti Smith Frederick (book), a 1968 children's book by Leo Lionni
Other uses , several ships Frederick (horse), a racehorse
See also Frederic (disambiguation) Frédéric Fredrik Frederico Federico Friedrich (disambiguation) Fryderyk (given name) Fredericks (surname) Georgii Frederiks