Harry John Seaden (born 23 April 2001) is an English professional footballer who plays as a goalkeeper for club Cray Wanderers.
Seaden joined Southend United at the age of 13 from local youth club Rayleigh Town. In December 2017, Seaden made a single loan appearance for Cambridge City. During the 2017âÂÂ18 season, Seaden was also loaned to rivals Colchester United, primarily featuring in the club's FA Youth Cup campaign. In 2019, following involvement with Southend's first team squad, Seaden joined Great Wakering Rovers on loan. During the 2019âÂÂ20 season, Seaden was loaned to both Cambridge City and Dagenham & Redbridge, before making his Southend debut on 18 February 2020 in a 1âÂÂ0 loss against Gillingham. On 11 February 2022, Seaden left Southend United when his contract was terminated by mutual consent.
On 22 June 2022, following a trial at Derby County, Seaden signed for Isthmian League side Billericay Town.
In August 2024, Seaden joined fellow Isthmian League Premier Division side Margate.
On 11 October 2024, Seaden joined Hornchurch.
In June 2025, Seaden joined Isthmian League Premier Division side Cray Wanderers.
Seaden has represented England at under-16 and under-17 level.
Seaden's father, John, made 18 Football League appearances for Southend in the 1980s.