Melvin Sia is a Malaysian Chinese actor, model and singer. He won the Best Actor Award at the inaugural Malaysia Golden Awards for his role in "Romantic Delicacies" (2009). He also won Most Popular Actor in Viewers' Choice category at the same award show.

Sia had studied architecture at Universiti Teknologi Malaysia before joining the Malaysian regional edition of Star Search 2003 and went into showbiz after finishing in the top 6. He has starred in a number of telemovies and also made his Singapore cinema debut in "Dance Dance Dragon" (2012) opposite veterans Adrian Pang, Dennis Chew and Kym Ng. In 2012, he debuted in a mainland Chinese idol drama through "Love Destiny" alongside Chinese actress Qi Wei.