• Birthplace: N/A
• Age: 34
• Height: 160
• Weight: 42
• Website: N/A

Park Cho-a, or better known as just Choa (박초아) is a South Korean kpop idol singer and actress. She was the main vocalist for the girl group Aces of Angels (AOA). Choa was born on March 6, 1990 in Icheon, South Korea.

In her early life, she wanted to go to school to achieve a major in music at University, but her father wished for her to obtain a "normal" job, so she enrolled in Aviation Business Administration in Inha Technical College. She also worked as an IPTV salesperson, where she secretly auditioned to be an idol, failing the audition at S.M. Entertainment 15 times

Her first debut as a member of AOA was on July 30th, 2012 on Mnet's M! Countdown with the song "Elvis" from their debut single album, Angels' Story. On June 22, 2017, Choa announced that she would be leaving AOA due to depression and insomnia. At this time, Choa stated she was on antidepressants; however nothing has helped.

After leaving AOA, Choa began her solo career. On July 12th, 2013 she announced that she would play the female lead , Gabriella in the musical High School Musical. Her agency, FNC Entertainment, revealed photos of Choa practising the duet song, "Start of Something New". Choa said that she wanted to portray Gabriella as sincerely as she could. The musical ran from July 2 to September 1 at Seoul's Blue Square Samsung Card Hall.