| idol_id | 936 |
| Selca owner | clc_seungyeon |
| Pop type | K-pop |
| Stage name (romanized) | Seungyeon |
| Stage name (original) | 승연 |
| Real name (romanized) | Jang Seungyeon |
| Real name (original) | 장승연 (張丞延) |
| Birth date | 1996-11-06 (age 27) ▲ ▼ |
| Chinese zodiac sign | 🐀 Rat |
| Western zodiac sign | ♏ Scorpio |
| Hometown | Seoul |
| Height | 163.0cm (5'4") ▲ ▼ |
| Weight | 46.0kg (101lb) ▲ ▼ |
| Blood type | A |
| Debut date | 2015-03-18 (9 years and 1 month ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|
|
(씨엘씨)
|
Cube Entertainment | 2015-03-18 | 2022-06-06 | Group disbanded | Leader, Main dancer |