Harry Allen (footballer, born 1866)

Harry Allen (born 1866, date of death unknown) was an English footballer who played as a forward.

Allen began his footballing career at Sheffield Heeley before joining Sheffield Wednesday in 1887. He made a significant contribution to the club, scoring numerous goals during his time there. His performances helped Sheffield Wednesday establish themselves as a prominent force in the early years of professional football.

Allen's playing style was characterized by his speed, agility, and clinical finishing ability. He was a key member of the Sheffield Wednesday team that reached the FA Cup Final in 1890, though they were defeated by Blackburn Rovers. He remained with Sheffield Wednesday until 1892 before moving to Rotherham Town.

Details of Allen's later life and career are scarce. However, his contribution to Sheffield Wednesday during the late 1880s and early 1890s is remembered as a key period in the club's history.