| In Jae-keun | |
| Native Name Lang: | ko |
| Office1: | Member of the National Assembly |
| Term Start1: | 30 May 2012 |
| Term End1: | 29 May 2024 |
| Predecessor1: | Shin Ji-ho |
| Successor1: | Kim Jae-sub |
| Constituency1: | Dobong A (Seoul) |
| Birth Date: | 11 November 1953 |
| Birth Place: | Gyeonggi, South Korea |
| Party: | Minjoo Party of Korea |
| Alma Mater: | Ewha Womans University |
| Occupation: | politician, activist |
| Blank1: | Religion |
| Data1: | Roman Catholic (Christian name : Elizabeth) |
| Korean name | |
| Hangul: | 인재근 |
| Rr: | In Jaegeun |
| Mr: | In Chaekŭn |
In Jae-keun (; born 11 November 1953) is a South Korean politician and democracy activist. In 1985, her husband Kim Geun-tae was arrested and tortured by the government of Chun Doo-hwan for his pro-democracy activism.[1] In 1987, In was awarded the Robert F. Kennedy Human Rights Award along with her husband for her role in publicly exposing his detention and torture.[2] After Kim's death, she was elected as member of national assembly for Dobong A, Seoul in 2012. Dobong A was Kim's constituency from 1996 to 2008.