William Kopecky (born November 17, 1969) is an American musician from Racine, Wisconsin. He currently resides in France and 2011 work with Haiku Funeral featured his spoken-word delivery of dark poetry. He is known for playing bass, keyboards and sitar in the band Kopecky with his two brothers, Joe and Paul. He also contributed to numerous progressive rock acts, including Far Corner, Parallel Mind, Pär Lindh Project.