| Bob Bush | |
| Birth Name: | Robert Grammar Bush III |
| Birth Date: | 15 January 1936 |
| Birth Place: | Kansas City, Missouri, U.S.[1] |
| Office: | Member of the Texas House of Representatives from the 22nd district |
| Term Start: | January 11, 1977 |
| Term End: | January 11, 1983 |
| Office1: | Member of the Texas House of Representatives from the 62nd district |
| Term Start1: | January 11, 1983 |
| Term End1: | January 13, 1987 |
| Preceded1: | Gary Eugene Thompson |
| Succeeded1: | Curtis Lee Seidlits Jr. |
| Party: | Democratic |
Robert Grammar Bush III (January 15, 1936 – May 14, 2002) was an American politician. He served as a Democratic member for the 22nd and 62nd district of the Texas House of Representatives.[2]