| Samuel Wilds Trotti | |
| Birth Date: | July 18, 1810 |
| Birth Place: | Barnwell, South Carolina |
| Death Place: | Buckhead, Fairfield District, South Carolina |
| State3: | South Carolina |
| District3: | 4th |
| Term Start3: | December 17, 1842 |
| Term End3: | March 3, 1843 |
| Predecessor3: | Sampson H. Butler |
| Successor3: | John Campbell |
| Office1: | Member of the South Carolina House of Representatives from Barnwell District |
| Term1: | November 22, 1852 - December 19, 1855 |
| Term2: | November 23, 1840 - December 17, 1841 |
| Alma Mater: | South Carolina College |
| Profession: | lawyer |
| Party: | Democratic |
Samuel Wilds Trotti (July 18, 1810 – June 24, 1856) was a U.S. Representative from South Carolina.
Born in Barnwell, South Carolina, Trotti attended the common schools. He graduated from South Carolina College (now University of South Carolina) at Columbia in 1832. He studied law and was admitted to the bar. He served in the Seminole War.
Trotti served as member of the State house of representatives from 1840 to 1841 from 1852 to 1855. He was elected as a Democrat to the Twenty-seventh Congress to fill the vacancy caused by the resignation of Sampson H. Butler and served from December 17, 1842, to March 3, 1843.
He resumed the practice of law. He died in Buckhead, Fairfield District (now county), South Carolina, June 24, 1856.