Seinäjoen Jalkapallokerho (or SJK Seinäjoki or SJK) is a Finnish professional football club from the city of Seinäjoki. The club plays in the Veikkausliiga, the highest tier of the Finnish league system. Their home ground is OmaSP Stadion, which is located near the city center and next to SJK's training facility Wallsport. SJK was formed in 2007 after the merger of TP-Seinäjoki and Sepsi-78.
In 2010, it was reported for the first time that SJK were planning a new football stadium. Eventually, in autumn 2014 it was announced that the construction of SJK's new stadium would start soon. The construction began in summer 2015 and the new stadium was completed in June 2016. Stadium has a capacity of 5817 seats.
SJK play their friendlies and cup matches during the winter at Wallsport Areena which is an indoor training facility owned and operated by the team.
SJK Akatemia contains three teams: SJK U17, SJK U20 and SJK U23 which is the reserve team of SJK. SJK's reserve team currently plays in the Finnish Second Division. It is coached by Scottish Brian Page. In 2018 SJK started a football high school with Kuortane sports school. It produces young players to SJK and SJK Akatemia.