| Official Name: | On Top of the World |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Florida#USA |
| Coordinates: | 29.1067°N -82.285°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Florida |
| Subdivision Type2: | County |
| Subdivision Name2: | Marion |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 17.51 |
| Area Land Sq Mi: | 17.51 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 45.34 |
| Area Land Km2: | 45.34 |
| Area Water Km2: | 0.00 |
| Population Total: | 12668 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Density Sq Mi: | 723.64 |
| Population Density Km2: | 279.40 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 71 |
| Postal Code Type: | ZIP Codes |
| Postal Code: | 34481, 34476 (Ocala) 34432 (Dunnellon) |
| Area Code: | 352 |
| Blank Name: | FIPS code |
| Blank Info: | 12-51587 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805184 |
On Top of the World is a census-designated place (CDP) in southwestern Marion County, Florida, United States. It is southwest of Ocala, the county seat.
On Top of the World was first listed as a CDP for the 2020 census, when it had a population of 12,668.[2] It is part of the Ocala, Florida Metropolitan Statistical Area.