John Jackson (born January 16, 1989) is an amateur boxer from the Virgin Islands who qualified for, and boxed in, the 2008 Olympics at welterweight. He is one of the sons of boxer Julian Jackson, and his brother Julius Jackson qualified at light-heavyweight.
At the PanAm Games in 2007 his first bout was against favourite Demetrius Andrade and was beaten 5:23. At the 2007 World Championships he again lost in the first round, this time to Aliasker Bashirov.
At the first Olympic qualifier in March 2008, however, he defeated Argentinian Diego Chaves and PanAm Champion Pedro Lima 19:10 to qualify. He lost to Cuban Carlos Banteaux, but this did not effect his qualification. In Beijing he upset Magomed Nurutdinov 4:2 but lost 0:10 to Kim Jung-Joo
He turned pro in 2009.