William Albert Jääskeläinen (born 25 July 1998) is a professional footballer who plays as a goalkeeper for National League club Woking.

Prior to joining the Bolton Wanderers academy, Jääskeläinen started out at Bromley Cross Sharks.

[24] He made his first team debut for Crewe Alexandra on 19 April 2019, keeping a clean sheet, in a 2–0 win over Yeovil Town at Gresty Road.

[29] He made his debut for the club in the EFL Trophy victory over Crawley Town and then extended his contract until January 2023.

[35] Jääskeläinen made his debut in international football on 25 August 2015 at the age 17 when he was called to represent Finland under-18s in a match against Montenegro under-18s.