Anthony John "Tony" Diamond (born 23 August 1968) is an English former professional footballer who played as a forward.
Rochdale-born Diamond started his career at Blackburn Rovers.
He made his debut in September 1986 in a 6-1 win against Sunderland, and scored his first goal for the club in January 1987 in a single-goal victory over Oldham Athletic.
In October 1988 he was loaned out to Wigan Athletic, and made his debut for the club in a 2-1 defeat against Southend United.
He made six appearances during his spell at the club, scoring two goals.
In 1989, he represented the Northern Ireland under-23s in a 3-0 defeat against the Republic of Ireland.He signed for Blackpool during the 1989-90 season, but made just three appearances for the club as Blackpool were relegated to the Fourth Division.
He scored one goal for the Seasiders, in a 3–0 victory over Mansfield Town at Field Mill on 23 September.
After being released in 1990 by incoming manager Graham Carr, Diamond dropped into non-League football.