| John Marshall Hewitt | |
| Office: | Member of the Arkansas House of Representatives |
| Term: | 1881–1889 |
| Office2: | Speaker of the Arkansas House of Representatives |
| Term2: | 1887–1889 |
| Predecessor2: | James Philip Eagle |
| Successor2: | B. B. Hudgins |
| Birth Date: | 22 July 1841 |
| Birth Place: | Frankfort, Kentucky |
| Death Place: | Marianna, Arkansas |
| Residence: | Lee County, Arkansas |
| Party: | Democratic |
John Marshall Hewitt (July 22, 1841 - February 29, 1888) was an American politician. He was a member of the Arkansas House of Representatives, serving from 1881 to 1889. He was a member of the Democratic party.[1] [2] [3] He died of cancer.