Jay Chang (제이창) is an American singer and lyricist under FM Entertainment & ARMADA Ent. He is a member of the boy group ONE PACT, the project boy group B.D.U, and a pre-debut member of M.O.N.T Arena.
He made his solo debut on October 17, 2023, with the mini album Late Night.
He was introduced on October 18 as the fifth and final member of ARMADA Ent upcoming boy group, ONE PACT.
He is best known for participating in the reality survival shows Under Nineteen, Boys Planet, and Build Up : Vocal Boy Group Survivor.
Jay Chang was part of the winning team on Build Up, becoming a member of B.D.U a project group that will promote for 2 years. The debut date is unknown.