Jason Bittner is an American musician, best known as the drummer for metal band Shadows Fall. He is also the current drummer for Overkill since 2017 and Category 7 as of 2024. He was also the drummer for the thrash metal bands Toxik from 2013 to 2014 and Flotsam and Jetsam from 2014 to 2017.

Shadows Fall is an American metal band from Boston, Massachusetts, formed in 1996. Although Shadows Fall has experienced several line-up changes, for most of its recording career, Shadows Fall has been composed of Jon Donais, Matt Bachand, Paul Romanko (bass), Brian Fair, and Jason Bittner (drums).