Kim Jong-Seob (김종섭), better known by his stage name Jongseob, is a South-Korean rapper-songwriter and dancer under FNC Entertainment. He is one of the rappers and the maknae of P1Harmony.

In late August, it was reported that Kim Jongseob would be debuting as a member of FNC Entertainment’s upcoming boy group after signing a contract with the agency. On September 4, it was confirmed that Jong Seob would be debuting as part of P1Harmony following the release of his profile photos for the group.