The I Am Legend star, who enjoyed rap success with hits like Summertime and movie themes Wild Wild West and Men in Black, won 58 per cent of the vote in the MovieTickets.com survey.
Mark Wahlberg came in second with 23 per cent, while T.I. landed in third spot with seven per cent, reports the Daily Star.
Crash star Ludacris and Mos Def from The Italian Job both garnered six per cent.
Meanwhile, Smith has also been approached by The Hurt Locker director Kathryn Bigelow, who wants him to join the cast of her next project titled Triple Frontier.