Shelton Demetrio Martis (born 29 November 1982) is a CuraƧaoan footballer who plays as a defender.
He began his career at Excelsior and FC Eindhoven in the Dutch Eerste Divisie before spending a season at Darlington.
He then moved to Hibernian of the Scottish Premier League in 2006, winning the Scottish League Cup in his only season.
Martis then signed for West Bromwich Albion for £50,000 and became the first Curaçaoan to play in the Premier League.
After three-and-a-half years at Doncaster Rovers, and a season at Osotspa Saraburi in the Thai Premier League, he returned to the Netherlands with SteDoCo.
Martis played three matches for the Netherlands Antilles in 2008.
After a territorial reorganisation, he represented CuraƧao.