| John L. Pearson | |
| State House: | Mississippi |
| District: | 14th |
| Term Start: | 1966 |
| Term End: | 1980 |
| Predecessor: | Walter Sillers Jr. |
| Successor: | John D. Pennebaker |
| Office2: | Mayor of Rosedale, Mississippi |
| Term Start2: | 1951 |
| Term End2: | 1957 |
| Preceded2: | J. L. Wilson |
| Succeeded2: | J. L. Wilson Jr. |
| Birth Name: | John Lafayette Pearson III |
| Birth Date: | 7 March 1926 |
| Birth Place: | Rosedale, Mississippi, U.S. |
| Death Place: | Rosedale, Mississippi, U.S. |
| Party: | Democratic |
| Alma Mater: | University of Mississippi |
| Allegiance: |  United States |
| Branch: | United States Navy |
| Serviceyears: | 1945–1946 |
| Battles: | World War II |
John Lafayette Pearson III (March 7, 1926 – June 30, 2021) was an American judge and politician who served in the Mississippi House of Representatives and as mayor of Rosedale, Mississippi. A nephew of Speaker Walter Sillers Jr., Pearson was elected to the House in 1966 when Sillers died in 1966.[1]
Pearson married the former Katherine Myres in 1955. They live in the house his grandfather, Walter Sillers, built, which is on the National Register of Historic Places.