Matt Deis is an American bass guitarist. Originally from West Springfield, Massachusetts, he is best known as the bassist of the rock band CKY with whom he performed with between 2005 and 2010, returning in 2015 and departing again in 2019, and the current bassist of heavy metal band All That Remains, with whom he performed between 2003 and 2005, but made his return in 2022. From 2019 to 2020, Deis performed with American Idol finalist Tristan McIntosh.
