Frederick, Frederic, Friedrich or Fred Walker may refer to:
Frederick Walker (native police commandant) (died 1866), explorer Frederick Walker (pathologist) (1934–2017) Scottish pathologist Frederick Walker (painter) (1840–1875), English painter and illustrator Frederic John Walker (1896–1944), British naval officer Frederic Walker (cricketer) (1829–1889), English cricketer Fred Walker (entrepreneur) (1884–1935), Australian businessman, original producer of Vegemite Mysterious Walker (Frederick Mitchell Walker, 1884–1958), American baseball pitcher and college baseball coach Dixie Walker (Fred E. Walker, 1910–1982), American professional baseball outfielder Fred Walker (footballer, born 1878) (1878–1940), English footballer for Leeds and Huddersfield Fred Walker (footballer, born 1913) (1913–1978), English footballer for Sheffield Wednesday Fred L. Walker (1887–1969), U.S. Army general in WW2, commander of the 36th Infantry Division Frederick James Walker (1876–1914), Irish motorcycle racer Frederick William Walker (1830–1910), English headmaster Freddy Walker (born 1994), New Zealand cricketer
See also Frederick Forestier-Walker (1844–1910), British Army officer