Non Boonjumnong (Thai: นน บุญจำนงค์, born June 12, 1982 as Manon Boonjumnong) is a Thai amateur boxer who won silver at welterweight at the World Championships 2007. In the older tournaments he is listed as "Manon".

Non, who is the brother of Olympic gold medalist Manus Boonjumnong, won a bronze medal at the 2002 Asian Games, when he lost his semifinal to eventual winner Kim Jung-Joo.

In 2005 he competed for Thailand at the Boxing World Cup in Moscow, Russia, losing both his matches in the preliminary round.

In 2007 in Chicago he beat Andrey Balanov to reach the finals but had to quit with an injury against American southpaw Demetrius Andrade. He trailed in points at the time.

At the 2008 Olympics he was upset by little-known Hosam Bakr Abdin.