| Benoni Fuller | |
| State1: | Indiana |
| Term Start1: | March 4, 1875 |
| Term End1: | March 3, 1879 |
| Predecessor1: | William E. Niblack |
| Successor1: | William Heilman |
| State Senate2: | Indiana |
| Term Start2: | 1862 |
| Term End2: | 1872 |
| State House3: | Indiana |
| District3: | ? |
| Term Start3: | 1866 |
| Term End3: | 1868 |
| Birth Date: | 13 November 1825 |
| Death Place: | Boonville, Indiana, U.S. |
| Party: | Democrat |
Benoni Stinson Fuller (November 13, 1825 - April 14, 1903) was an American educator and politician who served two terms as a U.S. Representative from Indiana from 1875 to 1879.
Born near Boonville, Indiana, Fuller attended the common schools, and later taught school in Warrick County. He became sheriff of Warrick County in 1856 and 1858.He served in the Indiana Senate in 1862, 1870, and 1872, and served as member of the Indiana House of Representatives 1866-1868.
Fuller was elected as a Democrat to the Forty-fourth and Forty-fifth Congresses (March 4, 1875 – March 3, 1879).He was not a candidate for renomination in 1878.
He then engaged in agricultural pursuits in Warrick County. He died in Boonville, Indiana, April 14, 1903. He was interred in Old Boonville Cemetery.