Frederick (Fred, Freddy) Johnston may refer to:
Fred Johnston (baseball) (1899–1959), American baseball player Fred Johnston (writer) (1951–2024), Irish poet, novelist, literary critic and musician Fred Johnston (cricketer) (1915–1977), Australian cricketer Frederick Johnston (priest) (1911–2005), Archdeacon of Cork Frederick Austin Johnston (1909–1990), Australian businessman and political figure Frederick William Johnston (1872–1947), administrator in British India Freddy Johnston (1935–2022), Scottish journalist
See also Frederick Johnstone (disambiguation) Frederick Johnson (disambiguation)