Jackson Gill is a New Zealand track and field athlete who competes in the shot put. Gill throws with his right hand, using the spin technique. In 2010, he won gold in the shot put at the World Junior Championships at the age of 15 years, 213 days, which made him the youngest ever male gold medalist at the World Junior Championships. In 2012, he defended his title at the 2012 World Junior Championships.

The 2010 World Junior Championships in Athletics was an international athletics competition for athletes under the age of 20 which was held at the Moncton Stadium in Moncton, New Brunswick, Canada from 19 to 25 July 2010. A total of 44 athletics events were contested at the Championships, 22 by male and 22 by female athletes. It was the second time that the event took place in Canada, after the 1988 edition in Sudbury. This became the last event announced by Scott Davis.