Seinäjoen JymyJussit (Finnish for "Jymy and Jussit from Seinäjoki", sometimes referred to as Seinäjoki) is a Finnish professional pesäpallo team based in Seinäjoki and playing in the top-tier Finnish Superpesis.
Seinäjoen JymyJussit has participated in Superpesis since 2012.
The club is owned by two traditional pesäpalloteams from Seinäjoki; Nurmon Jymy and Seinäjoen Maila-Jussit.
Seinäjoen JymyJussit's home ground is the Seinäjoki Pesäpallo Stadium.
The ballpark locates at the city center of Seinäjoki.