Hyojung (효정) is a South Korean artist under WM Entertainment. She is a member of the Korean pop girl group OH MY GIRL.
- Stage Name: Hyojung (효정)
- Birth Name: Choi Hyojung (최효정)
- Birthdate: July 28, 1994
- Birthplace: Anyang, Gyeonggi, South Korea
- Blood Type: AB
- Height: 158cm
- Weight: 45kg
- Family: Mother, Older Sister, Grandmother
- She lived in Thailand for six years when she was younger.
- She won the WM audition in 2014.
- She joined WM Entertainment in 2014 and trained for six months.
- She plays the piano.