John Barry Nusum (born March 18, 1981 in Devonshire , Bermuda) is a Bermudian soccer player, who currently plays striker for the Toronto Lynx of the USL First Division and the Philadelphia Kixx of the MISL.

Nusum played college soccer at Furman University, where he was thrice named an NSCAA All-American; he is also currently the school's all time leader in goals scored, with 61, and points, with 161.

After graduating from Furman in 2001, Nusum was selected 35th overall in the 2002 MLS SuperDraft by the Columbus Crew. He did not make the team, however, and instead joined the Atlanta Silverbacks of the A-League. Nusum played in 2002 and 2003 with the Silverbacks, scoring 10 goals and 3 assists in 44 games. After two years with the Silverbacks, Nusum joined Toronto for the 2004 A-League season, finishing with 4 goals in 25 games. Nusum is currently also signed by the Philadelphia Kixx, with whom he will play his first season of indoor soccer.

Nusum is also a mainstay for the Bermuda national football team, leading the team in goals during the 2004 World Cup Qualifying round.