Jack Flynn (1875 - unknown) 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 and Reading, Flynn joined West Ham United in 1904. He scored on his debut, on 1 September 1904, in a 3âÂÂ0 home win against Millwall Athletic. It was the first meeting between the two rivals played at the Boleyn Ground. His last game was in February 1905.