Seunghwan (승환) may refer to:
- Artists
- Jung Seung Hwan, soloist
- Lee Seung Hwan, soloist singer and former Burning Trotman contestant
- Lee Seung Hwan (currently known as ONLEE), soloist and former member of 1THE9 and PlayM BOYS
- People
- Seunghwan of AIMERS
- Jeong Seunghwan of ATBO, former member of The CrewOne, former The Origin - A, B, or What? contestant
- Seunghwan of ROMEO