- Christopher Kent
- 159 kilogram(s)
- Estados Unidos (Hamilton)
The heaviest watermelon weighs 159 kg (350.5 lb) and was grown by Chris Kent (USA) of Sevierville, Tennessee, USA, as verified by the Great Pumpkin Commonwealth on 4 October 2013.
Chris was awarded his prize at the Operation Pumpkin festival, held in Hamilton, Ohio between 3 - 5 October 2013.