
2YOON (gaYOON & jiYOON) [투윤]
- Debut (Y-M-D): 13-01-22
- Disbanded: 16-06-15
- Label: Cube Entertainment
- Main Group: 4minute
- Music Videos:
- Korean MVs: 24/7
- Albums:
- Korean Albums: Harvest Moon [Mini Album]
- Logo:
Members:
*SNS is added for members that have not debuted as soloists

- Stage Name (Hangul): Gayoon (가윤)
- Position: Vocal
- Real Name: Heo Gayoon (허가윤)
- Birthday (Y-M-D): 90-05-15
- Nationality: Korean
- Height: 165cm
- Blood Type: N/A
- SNS: ig – gayoon_heo

- Stage Name (Hangul): Jiyoon (지윤)
- Position: Vocal, Rap
- Real Name: Jeon Jiyoon (전지윤)
- Birthday (Y-M-D): 90-10-15
- Nationality: Korean
- Height: 165cm
- Blood Type: N/A
- Now in: Solo as Jenyer