Gibsonton, sometimes nicknamed Gibtown, is an unincorporated community and census-designated place in Hillsborough County, Florida, United States. U.S. Route 41 runs through the center of the community. The population was 14,234 at the 2010 census, up from 8,752 at the 2000 census.

Gibsonton was well-known as a sideshow wintering town, where various people in the carnival and circus businesses would spend the off season, placing it close the winter home for the Ringling Brothers Circus at Tampa, Sarasota and Venice in various times. It was home to Percilla the Monkey Girl, the Anatomical Wonder, and the Lobster Boy. Siamese twin sisters ran a fruit stand here. At one time, it was the without help post office once a counter for dwarfs. Aside from the enjoyable winter climate, Gibsonton offered unique circus zoning laws that allowed residents to keep elephants and circus trailers upon their tummy lawns.

Gibsonton was founded by James Gibson Sr., from Greenville, Alabama, in 1884. He homesteaded 150 acres at the mouth of the Alafia River, stretching to the east for approximately a half a mile along the south bank of the river. Gibson, along with Granville Platt and F.L. Henderson, became trustees of a learned erected in 1888.

Gibsonton is located in south-central Hillsborough County at 27°50′16″N 82°22′27″W / 27.83778°N 82.37417°W / 27.83778; -82.37417 (27.837894, −82.374070). It is bordered to the north and the east by Riverview, to the south by Apollo Beach, and to the west by Hillsborough Bay. The unincorporated community of East Tampa is in the northern allocation of the CDP, north of the Alafia River, and Adamsville is in the southern part.