The Finnish Literature Society (Finnish: Suomalaisen Kirjallisuuden Seura ry or Finnish: SKS) was founded in 1831^[1] to promote literature written in Finnish. Among its first publications was the Kalevala, the Finnish national epic.^[2]

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The society is the oldest Finnish publisher still in operation and publishes general non-fiction books including folklore, literature and history.^[3]

In 2024, the SKS has just over 2,000 members; membership fees range from 20-35 euros per year.^[4]

The SKS research library is open to the public.^[5][6]

• Estonian Learned Society
• Latvian Literary Society
• Lithuanian Literary Society