Joshua Kyle Gilbert is an American musician, singer, songwriter and producer, who performs primarily metalcore. He currently performs bass as a member of Spiritbox. He has played with several acts, and first became known for his former role in As I Lay Dying. After their initial breakup, he formed Wovenwar with other members of As I Lay Dying. He is also a contributor to Alternative Press.

Spiritbox is a Canadian heavy metal band, originally from Victoria, British Columbia, publicly established by guitarist Mike Stringer and vocalist Courtney LaPlante in October 2017. The band's full lineup comprises married couple LaPlante and Stringer alongside drummer Zev Rose, and bassist Josh Gilbert. The band's style incorporates electronic elements and draws from a variety of influences, crossing multiple metal subgenres with its roots in metalcore and progressive metal. Their music is currently released through their label, Pale Chord, via a partnership with Rise Records.