One Ket (원캣) is a South Korean rapper. She was a member of the Korean pop girl group GI.
- Stage Name: One Ket (원캣)
- Real Name: Won Yeonsang (원연상)
- Birthdate: June 21, 1991
- Birthplace: Wonju, South Korea
- Height: 162cm
- Weight: 44kg
- Family: Mother, father, older sister
- Role Model: BIGBANG
- She revealed that a year before her debut she weighed 59kg, due to this she made a diet and lost 16 kg.
- On February 25, 2015 she filed a lawsuit against the agency, SimTong Entertaintment, for the termination of her contract.