| William Robert Brady | |
| State Senate: | Kansas |
| District: | 14th |
| Term Start: | January 15, 1991 |
| Term End: | 1996 |
| Predecessor: | Mike Johnston |
| Successor: | Dwayne Umbarger |
| State House1: | Kansas |
| District1: | 6th |
| Term Start1: | 1981 |
| Term End1: | January 15, 1991 |
| Successor1: | Marvin Barkis |
| Birth Date: | May 25, 1956[1] |
| Birth Place: | Parsons, Kansas |
| Death Date: | March 19th, 2023 |
| Death Place: | Lawrence, KS |
| Party: | Democrat |
| Residence: | Parsons, Kansas |
William Robert Brady (born May 25, 1956) is an American former politician who served in the Kansas State Senate and Kansas House of Representatives. He was born and raised in Parsons, Kansas, and was originally elected to the State House in 1980. He was re-elected five times, and resigned his seat in 1991 to replace Mike Johnston in the State Senate. He won re-election to the Senate in his own right in 1992, and served until 1996.