List of songs written by Changbin

South Korean rapper, singer, songwriter, and music producer Seo Chang-bin, known mononymously as Changbin, is a member of the South Korean boy band Stray Kids, which debuted under JYP Entertainment in 2018. Changbin is also a core member of 3Racha, an in-house production team and sub-unit of Stray Kids, alongside fellow members Bang Chan and Han.

Changbin, as a member of 3Racha has co-written numerous songs for Stray Kids. Beyond Stray Kids, he co-wrote "Neverending Story" for the South Korean television series Extraordinary You and collaborated with Yoon Ji-sung on the song "You...Like the Wind", which he co-wrote and featured in for the EP Aside. Changbin also co-wrote and featured in "Mirror Mirror" with Thai rappers F. Hero and Milli, winning his first international awards for Best Collaboration at Thailand's Toty Music Awards and The Guitar Mag Awards. In 2024, he collaborated with Itzy and wrote the song "VAY" for the EP Gold. In the same year, he participated in writing and featured on the track "8th Grader (Respect Your Dreams)" for the singer and actor Kim Chang-wan.

As of April 2025, Changbin has registered songwriting credits for 181 songs with the Korea Music Copyright Association (KOMCA), including tracks like "Paradise" by NiziU, the theme song for Doraemon: Nobita's Sky Utopia, works for artists such as Show Lo, Yao Chen, and JO1, as well as collaborations with musicians like Japanese singer Lisa, Lil Durk, Sky-Hi, and Tiger JK. As a songwriter he won the Best Creator Award at the 2023 Asia Artist Awards along with bandmates Bang Chan and Han.