Pulp, who are in the midsts of a reunion tour, was formed in 1978 but made their major breakthrough album Different Class in 1995.
This is the band's second engagement at Ruisrock, the last time was in 1996.
They are scheduled to play on Friday, July 6.
Ruisrock is held on the island of Ruissalo in Turku, was founded in 1970 and is held every summer.
Other bands scheduled to perform at Ruisrock this year include: Azealia Banks, Children of Bodom, Chisu, Explosions in the Sky, French Films, Jimmy Cliff, Michael Monroe, Nightwish, PMMP, Scandinavian Music Group,The Cardigans and Von Hertzen Brothers.