| William Lansing Gleason | |
| Birth Date: | 18 November 1899 |
| Birth Place: | Eau Gallie, Florida |
| Death Place: | Brevard County, Florida |
| Residence: | Eau Gallie, Florida |
| Office: | Mayor of Eau Gallie, Florida |
| Order: | 24th and 27th |
| Term Start: | December 1930 |
| Term End: | December 1943 |
| Predecessor: | C.B. Vigus |
| Successor: | John Martin Law, Jr |
| Term Start2: | December 1950 |
| Term End2: | November 1951 |
| Predecessor2: | William Jackson Creel |
| Successor2: | George A. Harris |
| Spouse: | Carrol |
| Children: | William Henry Gleason |
William Lansing Gleason (November 18, 1899 – January 13, 1991) was a three-term mayor of Eau Gallie, Florida from 1930 to 1943 and 1950 to 1951.
He was the son of William Henry Hunt Gleason, who was also mayor, and Flora Belle Lansing Gleason. His grandfather was William Henry Gleason, the founder of Eau Gallie, Florida, and 2nd Lieutenant Governor of Florida.
He was involved in the local community including donating a coquina rock slab that the first school house in Brevard County now sits on at the Florida Institute of Technology. The auditorium on the campus of Florida Institute of Technology is named for him.[1] Gleason Park was named for him. Lansing Island was also named for him.
William Lansing Gleason also co-founded Indian Harbour Beach, Florida on June 6, 1955.