| Barbara Leff | |
| State Senate1: | Arizona |
| District1: | 11th |
| Term Start1: | January 13, 2003 |
| Term End1: | January 10, 2011 |
| Predecessor1: | Elaine Richardson |
| Successor1: | Adam Driggs |
| State House2: | Arizona |
| District2: | 24th |
| Term Start2: | January 13, 1997 |
| Term End2: | January 13, 2003 |
| Predecessor2: | Ernie Baird |
| Successor2: | Jim Carruthers |
| Birth Date: | 14 May 1947 |
| Birth Place: | New York City, New York, U.S. |
| Party: | Republican |
Barbara Leff (born May 14, 1947) is an American politician who served in the Arizona House of Representatives from the 24th district from 1997 to 2003 and in the Arizona Senate from the 11th district from 2003 to 2011.[1] [2]