William Chan Wai-ting (born 21 November 1985) is a Hong Kong singer, dancer and actor. In 2003, he participated in New Talent Singing Awards where he won several awards. He was then signed under Emperor Entertainment Group. He began his singing career by joining Cantopop group Sun Boy'z in 2006 and left the group in 2008 to pursue a solo career, releasing his debut solo album in the same year. Since then, he has released a total of 7 albums and 6 singles.

Since 2013, he gradually shifted his career focus to mainland China. He is known for his roles in television series Swords of Legends (2014), The Mystic Nine (2016), Lost Love in Times (2017), Age of Legends (2018) and Novoland: Pearl Eclipse (2021).