The Nihilist Spasm Band (NSB) is a Canadian noise band formed in 1965 in London, Ontario. The band was founded by Hugh McIntyre, John Clement, John Boyle, Bill Exley, Murray Favro, Archie Leitch, Art Pratten, and Greg Curnoe. Leitch has since retired, Curnoe was killed in a bicycle accident in 1992, and McIntyre died of heart failure in 2004. The band members are mostly local artists.