Matt Walker is an American session musician, known for drumming with Filter, The Smashing Pumpkins and Morrissey, as well as being the regular fill-in to Butch Vig from Garbage on three of their tours.

Filter is an American rock band formed in 1993 in Cleveland, Ohio, by singer Richard Patrick and guitarist and programmer Brian Liesegang. The band was formed when Patrick desired to start his own band after leaving Nine Inch Nails as their touring guitarist. Their debut album, Short Bus (1995) received platinum certification by the Recording Industry Association of America (RIAA), supported by the single "Hey Man Nice Shot." After the album, the band would go through the first of many lineup changes, leaving Patrick as the only consistent member across all releases.