No Warning was a hardcore punk band from Toronto, Canada. The band was founded in the late 1990s by singer Ben Cook and guitarist Matt Delong and Jordan Posner. They released their first 7" on New York label, Martyr Records in 2001. Later that year, Boston based Bridge 9 Records re-released the 7" on CD with different artwork. The Band continued to play shows across the east coast of the USA and Canada with hardcore punk bands such as Hatebreed, Madball, Cro-Mags, Sick Of It All, Terror and Bane.