Smithy is a nickname for:
Contents
People
Charles Kingsford Smith (1897–1935), Australian pioneer aviator
Ian Smith (1919–2007), Prime Minister of Rhodesia and World War II Royal Air Force pilot
Mike Smith (broadcaster) (1955–2014), British television and radio presenter, racing driver, pilot and businessman
W. G. G. Duncan Smith (1914–1996), World War II flying ace
Fictional characters
Smithy (Mario), the main villain of the video game Super Mario RPG
Dale Smith (The Bill), in the television series The Bill
Neil "Smithy" Smith, in the television series Gavin & Stacey
Smithy, hero of stories by Edgar Wallace