- Country: South Korea
- Genres: Drama
- Release: 2010-03-31
- Director: N/A
- Writers: N/A
- Language: Korean
- Stars: Moon Geun-young , Moon Geun-young , Seo-woo Eun , Jeong-myeong Cheon , Mi-sook Lee , Woo Seo , Kyung-Min Nam , Ok Taec-yeon , Kim Gab-soo , Soo-Bin Choo
- Runtime: 65 min
- Awards: 5 wins & 11 nominations
- AKA: Cinderella's Sister (Indonesia) , Cinderella's Sister (Philippines) , シンデレラのお姉さん (Japan) , Cinderella's Sister , 灰姑娘的姊姊 (Taiwan) , Cinderella's Sister (Korea)
- Plot: A modern day adaptation of Cinderella with a twist as our Cinderella, Goo Hyo Sun, is loved by everyone whereas her stepsister, Eun Jo, has a dark past and struggles with the fact that her mother starts to care more for Hyo Sun than her.
- IMDB:tt2299807
Cinderella’s Sister Cast · · · ALL
Moon Geun-young
Song Eun-jo / Goo Eun-jo
Woo Seo
Goo Hyo-sun
Jeong-myeong Cheon
Hong Ki-hoon
Ok Taec-yeon
Han Jung-woo
Mi-sook Lee
Song Kang-sook
Kim Gab-soo
Goo Dae-sung
Il-hwa Choi
Chairman Hong
Woo-jin Yeon
Dong-soo
Se-Won Ko
Hong Ki-jung