Eric Seymour Sibley (17 November 1915 – 1996) was a professional footballer who played as a defender for Bournemouth, Blackpool, Grimsby Town and Chester.
Sibley joined Blackpool from Bournemouth during the second half of the 1937–38 season, and made his debut on 29 January in a single-goal victory at Leicester City.
The following season, 1938–39, Sibley started 29 of Blackpool's 42 league games, before World War II intervened.
In Sibley's final season at Bloomfield Road, 1946–47, he made 37 league appearances, as well as making his debut for the Tangerines in the FA Cup.
This biographical article related to association football in England, about a defender born in the 1910s, is a stub.