[[Image:19AR.jpg|thumbnail|Atticus Ross]]
'''Atticus Ross''' (born January 16, 1968) is a producer, engineer and musician who collaborated with [[Trent Reznor]] on the [[Nine Inch Nails]] albums ''[[With Teeth (halo)|With Teeth]],'' ''[[Year Zero]],'' ''[[Ghosts I–IV]],'' and ''[[The Slip]]'' as well as the score scores for ''[[The Social Network Soundtrack|The Social Network]]'' and ''[[The Girl With The Dragon Tattoo Soundtrack|The Girl With The Dragon Tattoo]]''. Ross also founded the band [[12 Rounds]] with Claudia Sarne and Adam Holden and were signed to [[Nothing Records]] for a period.
Ross joined Nine Inch Nails on stage for their final performance at the Wiltern in Los Angeles on [[2009/09/10 Los Angeles, CA|September 10, 2009]]. Atticus played on "[[Me, I'm Not]]", "[[The Warning (Year Zero song)|The Warning]]", and "[[Piggy (Nothing Can Stop Me Now)]]".
Ross is currently involved with [[Trent Reznor]] and [[Mariqueen Maandig Reznor]] with the [[How To Destroy Angels]] project.