WSOY may refer to: Werner Söderström Osakeyhtiö, a Finnish publishing company founded in 1878, now part of Bonnier Group. WSOY (AM), a radio station (1340 AM) licensed to Decatur, Illinois, United States. WSOY-FM, a radio station (102.9 FM) licensed to Decatur, Illinois, United States https://en.wikipedia.org/wiki/WSOY