Joel Timothy Houston (born 19 September 1979) is an Australian musician, songwriter, pastor, and leader in the Sydney-based band Hillsong United, a worship band of Hillsong Church.
He has been co-pastor at Hillsong NYC since 2010. He is the head of the Christian worship band Hillsong UNITED, for which he sings, plays guitar, and writes songs. In 2008, he became the creative director at Hillsong Church. He is the oldest son of the church's founders and Global Senior Pastors Brian and Bobbie Houston and grandson of Frank Houston. He has two siblings, a brother Benjamin and a sister, Laura. Houston was also the bass player for the band Able, which was composed of Marty Sampson, Michael Guy Chislett and Luke Munns, which won the Channel V Leg Up competition in 2001.