John Giles Whitbourne (1885 – 1936) was an English professional footballer who played as a goalkeeper for Sunderland, Tottenham Hotspur and Leyton.
Born in Middlesbrough Whitbourne first represented local club South Bank before moving to Sunderland where he spent the one season for the 1904–1905 campaign.
[3] His first year he played in the reserves as John Eggett was Tottenham's first choice keeper.
[3] His debut was in the Western League on 13 November 1905 in a home match against Brentford that Spurs lost 3–2.
In 1907 Tottenham signed Gordon Manning and Whitbourne went back to playing in the reserves until he was released in 1908.