Nicholas Howard Barker (born 1973) is an English extreme metal drummer best known for his work in Cradle of Filth from 1993 to 1999, Dimmu Borgir from 1999 to 2004, Brujeria from 2003 to 2005 and from 2016 to 2022, and Shining from 2022 to 2023.

After being removed from the line-up,[4] Barker went on to play with Brujeria, Old Man's Child, Lock Up, Gaahl and King ov Hell, Ancient, Atrocity, Leaves' Eyes.

On Dimmu Borgir's 2002 World Misanthropy video, Barker mentioned the following names as influences on his playing style: Neil Peart (Rush), Gene Hoglan (Dark Angel, Death, Strapping Young Lad), Clive Burr, Nicko McBrain (Iron Maiden), Dave Lombardo (Slayer), and Pete Sandoval (Morbid Angel).

In 2011, Barker joined Los Angeles death metal band Sadistic Intent, replacing longtime drummer Emilio Marquèz.

As of 2012[update] Barker was drumming in United Forces, featuring two former members of Stormtroopers of Death, vocalist Billy Milano and bassist Dan Lilker, and guitarist Anton Reisenegger.