| Origin | Seoul, South Korea |
| Debut | N/A |
| Disbanded | 2020 |
| Members | Sangwoo Sangmin Seonghun J |
ONE A DAY Former Members Profile
Sangwoo
| Full Name | Oh Sangwoo |
| Birthday | January 5, 1994 |
| Birthplace | N/A |
| Age | 32 years and 5 months old |
| Height | 5 feet 10 inches (178 cm) |
| Zodiac Sign | Capricorn |
| Blood Type | O |
| O.sang_woo |
Sangmin
| Full Name | Woo Sangmin |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Zodiac Sign | Sagittarius |
| one_a_daysangmin |
Seonghun
| Full Name | Kim Seonghun |
| Birthday | May 14 |
| Birthplace | N/A |
| Age | N/A |
| Height | 5 feet 10 inches (178 cm) |
| Zodiac Sign | Taurus |
| Blood Type | O |
| ho__woo__ |
J
| Full Name | Park Seongjun |
| Birthday | September 26, 2000 |
| Birthplace | N/A |
| Age | 25 years and 9 months old |
| Height | N/A |
| Zodiac Sign | Libra |
| psj_0926_ |
