Collin Demar Edwards (born in Portmore, St. Catherine Parish in 1982), better known by his stage name Demarco, is a Jamaican dancehall and reggae artist.
Demarco is best known for his hit singles "Duppy Know Ah Who Fi Frighten", featuring on the Shoot Out Riddim, "Fallen Soldiers", "True Friend" and "Show It (So Sexy)". He also procuced the Top Speed Riddim where he recorded the song "Gal Dem Want" with the Alliance leader Bounty Killer. In 2008 Demarco produced the Big League Riddim and recorded "Broomie" with Elephant Man and his own song "Spend Pon Dem". One Year later he produced a hit Riddim called Stress Free which had many hit songs like "Jump and Wine" by Tony Matterhorn, "Hammering" by Singing Craig, "Work Mi Ah Work" by Mister G and his own "She Can't Wait". He has recently recorded a remix to Rihanna's Billboard #1 hit Rude Boy.Demarco with his hit single Good book has been nominated male deejay of the year.