Frederick Warner

Frederick or Fred Warner may refer to:
 * Frederick Warner (diplomat) (1918–1995), British diplomat and politician
 * Frederick Warner (engineer) (1910–2010), British chemical engineer
 * Frederick Warner (politician) (1875–1952), Australian politician
 * Fred M. Warner (1865–1923), Governor of the U.S. state of Michigan
 * Fred Warner (baseball) (1855–1886), American baseball player
 * Fred Warner (American football), American football player
 * Fred L. Warner (1877–1942), politician in the Michigan House of Representatives