John William Alcroft Allen (31 January 1903 – 19 November 1957) was an English professional football forward and outside left, who played in the Football League for Leeds United, Brentford, Sheffield Wednesday, Newcastle United, Bristol Rovers and Gateshead.

[5] Born in Newcastle-upon-Tyne, he played for his home town club Newcastle United between 1931 and 1934.

[6] Allen is best remembered for his time at Sheffield Wednesday where he scored 33 goals in both 1928–29 and 1929–30 to help the Owls clinch back-to-back Division One titles.

[7] Allen also played for Leeds United,[8] Brentford, Bristol Rovers and Gateshead in his successful career.

This biographical article related to association football in England, about a forward born in the 1900s, is a stub.