Zachary Cole Smith (born November 7, 1984) is an American musician best known for being the founder, frontman, and principal songwriter of the indie rock band DIIV.

Smith released his debut studio album with DIIV, Oshin, in 2012, which combined elements of krautrock, post-punk and shoegaze.

He started a short-lived band with future DIIV bandmate Andrew Bailey in high school.

As a freshman in high school, he and his friend threw rocks at truck windows in a Wal-Mart parking lot in the pursuit of cigarettes.

[5] He left Beach Fossils to travel for a year and rejoined in 2010 as a guitar player for the band's tour.

[8] In the summer of 2011, he booked a show for a new band he called Dive and asked Andrew Bailey, Devin Ruben Perez and Colby Hewitt to join.

Smith was signed by Re:Quest Model Management in the summer of 2013, and along with Cara Delevingne, was photographed by Hedi Slimane for Saint Laurent's Fall 2013 campaign.

The songs on Oshin were influenced by German psychedelic bands such as Kluster, La Düsseldorf, Neu!

[19] On September 13, 2013, the night before DIIV was scheduled to perform at the music festival Basilica Soundscape in Hudson, New York, Smith’s unregistered Ford pickup truck was pulled over in the nearby town of Saugerties and police found "42 decks" of heroin on him as well as ecstasy on Ferreira.

Additionally, he was charged with "violations of unregistered motor vehicle, driving without insurance, unlicensed driver, and having an inadequate exhaust system".

The ceremony was attended by their families and close friends, including members of DIIV, Beach Fossils, Deafheaven, Mac Demarco, and Launder.