Jack Flynn (1875 - unknown)[1] was an English footballer who played as a forward for Walsall, Bristol City, Reading and West Ham United.

A former player of Walsall, Bristol City[2] and Reading, Flynn joined West Ham United in 1904.

He scored on his debut, on 1 September 1904, in a 3–0 home win against Millwall Athletic.

It was the first meeting between the two rivals played at the Boleyn Ground.

[3] His last game was in February 1905.