Aaron Harris (born November 11, 1977) is an American musician and composer, best known for his career as the drummer for Los Angeles–based post-metal band Isis.

As a producer Harris has also worked on records for Palms, Puscifer, Team Sleep, Pelican, Zozobra, Spotlights, Huey, Jakob, The Jezabels and more.

Harris would play along to Led Zeppelin, Pink Floyd, Emerson, Lake & Palmer and The Police, and has reached his current level of proficiency without any lessons or formal training.

In April 2012 it was announced that Harris had joined Chino Moreno of Deftones, along with former bandmates Jeff Caxide and Clifford Meyer, in a side project by the name of Palms.

At Methodic Doubt Music, he has worked on the custom score or sound design for such titles as Jessica Jones, Us, Hereditary and True Detective.