Kang Sung-yeon Filmography
| 2024 | Flex x Cop (TV Series) · as Baek Sang-Hee (eps 9, 10) |
| 2020 | She Knows Everything (TV Series) · as Miss Lee |
| 2016 | Singderella (TV Series) |
| 2014 | 알토란 (TV Series) |
| 2009 | Wife Returns (TV Series) · as Jung Yoo-Hee |
| 2008 | Tazza (TV Series) · as Madame Jeong |
| 2008 | Single Dad in Love (TV Series) |
| 2007 | Soo: Revenge for a Twisted Fate · as Mi-Na |
| 2005 | The King and the Clown · as Jang Nok-Su |
| 2005 | Lee Dae-ro Can't Die · as Kim Young-Sook |
| 1999 | Happy Together (TV Series) · as Seo Moon-Joo |
| 1998 | Forever Yours (TV Series) · as Jang Yoo-Ri |
| 1997 | 내가 사는 이유 (TV Series) · as 명화 |
| 2013 | I Live Alone (TV Series) · as Self |