Hong Wei Jian (; born 20 August 1985), also known as "Flyboy", is a Singapore basketball player who played for the Singapore Slingers.
In 2008, Hong played a few games with the Singapore Slingers while the team was competing in the 2008/09 Singapore Challenge Series.
In August 2009, Hong signed a one-year contract to play for the Singapore Slingers, along with Pathman Matialakan. Hong was named the Slingers' Most Improved Player for the 2009-2010 ABL season on the Slingers Awards Night on 17 February 2010.
Hong retired from professional basketball after tearing his anterior cruciate ligament and fracturing his knee during the 2010-11 ABL season.
Hong is also part of the Singapore men's national basketball team.
|- | align="left" | 2009-10 | align="left" | Slingers | 18|| 12|| 17:55 || .427 || .371|| .622 || 2.2 || .8 || 1.08|| .00|| 7.6 |- | align="left" | Career | align="left" | | 18|| 12 || 17:55 || .427|| .371|| .622 || 2.2 || .8 || 1.08|| .00 || 7.6
|- | align="left" | 2009-10 | align="left" | Slingers | 3 || 3 || 23:10 || .434 || .285 || .833 || 4.0 || 1.7 || 1.67 || .00 || 10.6 |- | align="left" | Career | align="left" | | 3 || 3 || 23.10 || .434 || .285 || .833 || 4.0 || 1.7 || 1.67 || .00 || 10.6