|Full name||John Evans Wright Sinclair|
|Date of birth||21 July 1943|
|Place of birth||Culross, Scotland|
|Date of death||2 September 2010 (aged 67)|
|1961–1965||Dunfermline Athletic||61 (33)|
|1965–1968||Leicester City||103 (50)|
|1968–1969||Newcastle United||43 (6)|
|1969–1973||Sheffield Wednesday||101 (14)|
|1973||→ Chesterfield (loan)||10 (3)|
|1973–1975||Dunfermline Athletic||52 (9)|
|* Senior club appearances and goals counted for the domestic league only.|
† Appearances (Goals).
Jackie Sinclair (21 July 1943 – 2 September 2010) was a Scottish footballer who played as a winger for six different clubs in the English and Scottish leagues. He began his career at Dunfermline Athletic in his native Scotland, and moved south of the border to join Leicester City in May 1965. While at Leicester, Sinclair won his solitary cap for Scotland, appearing in a 1966 friendly against Portugal.
In January 1968, Sinclair joined Newcastle United, where he became a member of the team that won the 1969 Fairs Cup. In December 1969, he was sold to Sheffield Wednesday, where he spent three-and-a-half seasons before finishing his career back in Scotland with his former club Dunfermline, and lastly Stenhousemuir.
Sinclair died in September 2010, aged 67, following a long battle with cancer. He was the first member of Newcastle's Fairs Cup winning side to die.