Ferdy or Ferdie is a given name, often a diminutive of the masculine given name Ferdinand. It may refer to:
People Ferdy Sambo (born 1973), Indonesian former police general Ferdie Aston (1871–1926), English-born South African rugby union player Ferdie Bergh (1906–1973), South African rugby union player Ferdy Mayne, German actor born Ferdinand Philip Mayer-Horckel (1916–1998) Ferdie Pacheco (1927–2017), former personal physician and cornerman for Muhammad Ali and other boxing champions and TV analyst Ferdinand de Rothschild (1839–1898), French-born British banker, art collector and politician Ferdie Schupp (1891–1971), American Major League Baseball pitcher
Fictional characters Ferdy Factual, aka "Nerdy Ferdy", a supporting character in the Berenstain Bears children's book series Ferdie Fieldmouse, Mickey Mouse's nephew Ferda Mravenec, a Czech literary and comics character, translated as Ferdy/Ferdi outside the Czech Republic and Slovakia Ferdy Fox, in Rupert Bear, a children's comic strip Ferdy the Frog, in The Slow Norris, a British children's television programme