| State House: | Illinois |
| District: | 7th |
| Term Start: | 1991 |
| Term End: | 1993 |
| Preceded: | John Cullerton |
| Succeeded: | Eugene Moore |
| Birth Date: | 27 September 1943 |
| Birth Place: | Chicago, Illinois |
| Death Place: | Beverly Shores, Indiana |
| Party: | Democratic |
| Children: | 2 |
| Alma Mater: | Barat College |
| Parents: | Robert Ruppe (father) Eilleen Bauser (mother) |
| Birth Name: | Ann Ruppe |
Ann Stepan (September 27, 1943 – April 17, 2015) was an American politician from Illinois.
Stepan served the 7th district in the Illinois House of Representatives from 1991 to 1993.[1] She married Paul Stepan, a real estate developer, in 1965, shortly after her graduation from Barat College. Stepan died of lymphoma, at her home in Beverly Shores, Indiana on April 17, 2015.[2] [3] Her husband died in 2013.[4]