William Ernest Dey (June 4, 1870 – August 20, 1921) was an early amateur ice hockey player for the Ottawa Hockey Club.
He was a member of the Dey family of Ottawa, Canada which was successful in boat-building, arenas and ice hockey businesses.
Dey first joined the senior Ottawa Hockey Club in 1892.
He died in Ottawa in 1921 after an illness and is buried at Beechwood Cemetery.
This biographical article relating to a Canadian ice hockey player is a stub.