| Honorific-Prefix: | Hon. |
| Charles W. Hoitt | |
| Office: | 28th United States Attorney for the District of New Hampshire |
| Term Start: | 1907 |
| Term End: | 1914 |
| Predecessor: | Charles J. Hamblett |
| Successor: | Fred H. Brown |
| Appointed: | Theodore Roosevelt |
| Office2: | President of the New Hampshire Senate |
| Term Start2: | January 7, 1903 |
| Term End2: | April 2, 1903 |
| Office3: | Member of the New Hampshire Senate District 19 |
| Term Start3: | 1903 |
| Term End3: | 1903 |
| Office4: | Member of the New Hampshire House of Representatives |
| Term Start4: | 1901 |
| Term End4: | 1901 |
| Office5: | Judge in the Municipal Court |
| Term Start5: | 1889 |
| Term End5: | 1907 |
| Birth Date: | October 21, 1847 |
| Death Date: | April 2, 1925 |
| Alma Mater: | Dartmouth College, 1871 |
Charles W. Hoitt (October 21, 1847 – April 2, 1925) was an American lawyer and politician from Nashua, New Hampshire who served in both houses of the New Hampshire legislature, as President of the New Hampshire Senate and as the United States Attorney for the District of New Hampshire. Hoitt was born in Newmarket, New Hampshire on October 21, 1847
In 1871 Hoitt graduated from Dartmouth College.
Hoitt married Harriet Louisa Gilman daughter of Virgil C. Gilman.
Hoitt was admitted to the New Hampshire Bar, and practiced law in Nashua, New Hampshire.
Hoitt served in the New Hampshire House of Representatives in 1901.
Hoitt served as a judge in the Municipal Court from 1889 to 1907.
On February 11, 1907 Hoitt was appointed by Theodore Roosevelt to be the United States Attorney for the District of New Hampshire.