Kim Dong-han is a South Korean singer and dancer. After appearing on Produce 101 Season 2, he performed with the project group JBJ, then debuted as a solo artist in 2018. His first mini album, D-DAY, featured the title song SUNSET.

Donghan later joined WEi's original six-member lineup, which debuted in October 2020. His performance work continued across the IDENTITY series, the Love era and the 2025 Wonderland mini album.

He began his mandatory military service on September 7, 2026, according to his agency's enlistment announcement. His music remains available, although the enlistment limits current performance activities.