- Cosumnes Community Services District
- 942.11 kilogram(s)
- United States (Elk Grove)
The heaviest jack o'lantern is 942.11 kg (2,077 lb), and was achieved by the Cosumnes Community Services District (USA) at the 24th annual Elk Grove Giant Pumpkin Festival in Elk Grove, California, USA on 6 October 2018.
The pumpkin was grown by Josiah Brandt, and carved by Mike Brown, Deane Arnold and Brandy Davis. The Elk Grove Giant Pumpkin Festival is an annual family event that celebrates the harvest season and all things pumpkin, attracting over 50,000 guests each year.