Joseph Alfred Duncan (born 10 March 1993) is an Italian professional footballer who plays as a defensive midfielder for Serie A club Venezia.

[2] During that time, he lived in Inter training centre "Centro Sportivo Giacinto Facchetti" in Milan.

On 19 July 2014, Duncan joined fellow Serie A side Sampdoria from Inter Milan for two seasons, until 30 June 2016.

[5][7][8] On 6 March 2016, Duncan scored his first goal for the club against AC Milan in a 2–0 win.

[11] Duncan represented Ghana at the 2013 FIFA U-20 World Cup in Turkey playing four games during it.