Seppälä is a Finnish surname and toponym derived from the occupation of blacksmith ("seppä").
People Arttu Seppälä (born 1987), football player Eino Seppälä (1896–1968), runner Henkka Seppälä (born 1980), bass guitarist Hanna-Maria Seppälä (born 1984), swimmer Ilpo Seppälä (born 1953), wrestler Jenae Seppälä (born 1986), American football player Leonhard Seppälä (1877–1967), Norwegian-American Sled dog musher Matti Seppälä (1941–2020), geomorphologist and geographer Pete Seppälä (born 1978), singer Tuomas Seppälä, guitarist
Other Seppälä, a Finnish clothing store chain established in 1930. It declared bankruptcy on September 15, 2017
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