| William Ball | |
| Office1: | 25th Lieutenant Governor of Michigan |
| Governor1: | Cyrus G. Luce |
| Term Start1: | January 19, 1889 |
| Term End1: | January 1, 1891 |
| Predecessor1: | James H. MacDonald |
| Successor1: | John Strong |
| State Senate2: | Michigan |
| District2: | 13th |
| Term Start2: | 1889 |
| Term End2: | 1890 |
| Predecessor2: | William A. Atwood |
| Successor2: | John R. Benson |
| State House3: | Michigan |
| District3: | Livingston County |
| Term Start3: | 1881 |
| Term End3: | 1882 |
| State House4: | Michigan |
| District4: | Livingston County 1st |
| Term Start4: | 1865 |
| Term End4: | 1868 |
| Birth Date: | 7 April 1830 |
| Birth Place: | Cayuga County, New York |
| Death Place: | Ann Arbor, Michigan |
| Party: | Republican |
William Ball (April 7, 1830 – August 28, 1902) was an American politician. From 1865 to 1868, he served in the Michigan House of Representatives, where he represented the Livingston County 1st district. He served another term in the state House from 1881 to 1882, where he represented the Livingston County district. During this term, he served as speaker pro tempore. From 1889 to 1890, Ball was served in the Michigan Senate.[1] As president pro tempore of the state Senate, Upon the death of Lieutenant Governor James H. MacDonald in 1889, Ball served president of the Senate and as acting lieutenant governor.[2] [3] He died at age 72 in Ann Arbor, Michigan.[4]