DOI
- Born
- 21 October 2008 (18 years)
- Place of birth
- Ansan, South Korea
- Gender
- Female
Kim Do-yi, known mononymously as DOI, is a South Korean singer and lyricist under Chapter-I. She is a member of the girl group H//PE Princess, formed through the 2025 survival show Unpretty Rapstar: HIP POP Princess.
