| John F. Cox Grammar School | |
| Coordinates: | 28.0563°N -81.9536°W |
| Refnum: | 99000864 |
| Location: | Lakeland, Florida, Polk County, Florida |
| Built: | 1928 |
| Added: | July 22, 1999 |
The John F. Cox Grammar School (also known as the John F. Cox Elementary School) is a historic school in Lakeland, Florida. It is located at 1005-1021 North Massachusetts Avenue. On July 22, 1999, it was added to the U.S. National Register of Historic Places.