John Dolmayan (born July 15, 1973) is an Armenian-American musician, songwriter, and drummer. He is best known as the drummer of System of a Down. Dolmayan is also the drummer for the band Indicator and former drummer for Scars on Broadway. Loudwire listed him as one of the Top 66 Hard Rock + Metal Drummers of All Time, with Dolmayan being ranked at number 31.

John Dolmayan was born in Beirut, Lebanon to Armenian parents. During the Lebanese Civil War, his family moved to California.

Dolmayan first became interested in drums at the age of two. His father was a saxophone player and when his mother would take him to watch his father play, he would mimic his father's drummer.He learned to play the drums by putting on records and practicing for hours a day, and continued said practice for years. Dolmayan describes his musical style as one influenced by whatever he could get his hands on, including the jazz albums belonging to his father and the rock albums he shared with his friends.

Dolmayan is a fan of The Who and cites Who drummer Keith Moon as his biggest influence. Other drummers that he cites as major influences include Led Zeppelin's John Bonham, Stewart Copeland from The Police, and Rush's Neil Peart.

Dolmayan joined System of a Down in 1997 after their original drummer, Ontronik "Andy" Khachaturian, left the band after a hand injury.

Dolmayan recorded five albums with System of a Down: System of a Down (1998), Toxicity (2001), Steal This Album! (2002), Mezmerize (2005) and Hypnotize (2005).

Dolmayan won DRUM! Magazine's 2006 Drummer of the year and was the feature story in their March edition. The band went on hiatus in 2006, but reunited in 2010 to occasionally tour.

Scars on Broadway

After System of a Down went on hiatus in 2006 Dolmayan teamed up with Daron Malakian (System of a Down's guitarist/vocalist) to form a new band called Scars on Broadway, which recorded their eponymous debut album in 2007 and 2008.The album was released in the summer of 2008 and Dolmayan, Malakian, guitarist Franky Perez, bassist Dominic Cifarelli, and keyboardist Danny Shamoun performed concerts and prepared to embark on a tour in support of the album before Malakian suddenly cancelled the tour in October 2008.

In August 2009, Dolmayan, Franky Perez, Danny Shamoun, and Dominic Cifarelli as Scars on Broadway traveled to Iraq for a USO tour across the U.S. army bases. Their setlist consisted of covers as well as a few Scars on Broadway songs.

Scars on Broadway reunited with Malakian on May 2, 2010, and released a new single later that year. However, the project went dormant and Dolmayan was no longer involved when Malakian reformed the group in 2018.

Other projects

Dolmayan recorded drums for Killing Joke's 2003 self-titled album, (although the band ended up going with Dave Grohl's tracks) as well as Scum of the Earth's debut album, Blah...Blah...Blah...Love Songs for the New Millennium. He also played drums on the Axis of Justice concert tour with various artists and on the Serj Tankian solo debut, Elect the Dead.

In June 2009, Dolmayan formed a new rock band called Indicator with three friends from Southern California, members of the recently disbanded punk rock band, if all else fails: Tom Capossela, Ryan Huber, and Ryan Murphy.The band played their first show at The Bitter End in San Diego on July 22, 2009, with Dolmayan's fellow Scars on Broadway member Franky Perez joining the band for a few songs. Their second and final show took place at a strip club in Las Vegas. The band wrote 10-12 songs from 2009 to 2010; live and acoustic demos exist of them all. The four remain in contact although it is uncertain whether the songs will ever be properly recorded.

Dolmayan performed with System of a Down bandmates Daron Malakian and bassist Shavo Odadjian and Scars on Broadway guitarist Franky Perez for Odadjian's Halloween show. Dolmayan, Malakian, and Odadjian performed together again in November 2009 during a charity show for Deftones bassist Chi Cheng

Dolmayan has devoted much of his life to the comic book retail industry, including launching Torpedo Comics out of Nevada. Torpedo Comics has two brick and mortar stores in addition to a significant online presence. 

In 2009, John auditioned for The Smashing Pumpkins, in the absence of Jimmy Chamberlin.

Dolmayan's cover project, These Grey Men, released their first single, a cover of Radiohead's "Street Spirit," January 23, 2020. Avenged Sevenfold singer M. Shadows contributes vocals to the track; Tom Morello contributes the guitar solo at the song's close.  The second single features System of a Down band mate Serj Tankian in a cover of David Bowie's "Starman".