Se-yeon is a Korean unisex given name.
People with this name include:
- Choi Se-yeon (born 1977), stage name Choi Kang-hee, South Korean actress
- Jin Se-yeon (born 1994), South Korean actress
- Kim Se-yeon (born 1999), better known as Geguri, South Korean video game player
Fictional characters with this name include:
- Kang Se-yeon, in 2006 South Korean television series Lovers
- Oh Se-yeon, in 2018 South Korean television series Rich Man
- Go Se-yeon, in 2019 South Korean television series Abyss
- Jung Se-yeon, in 2020 South Korean television series True Beauty